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R

Robin 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Trigonometry

What is the value of sin 50 - sin 70 + sin 10?

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Sonu Pal replied | 18/11/2016

0

0 0

Richa replied | 19/11/2016

0

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Answer

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S

Shubham 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Trigonometry

Show previous answers

Puneet replied | 22/11/2016

sin45 + (1/sin45)=((sin45)^2 +1)/sin45 =3/(2 *square root 2)

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Sarvajeet replied | 02/12/2016

3/square root 2

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Answer

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S

Shail 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Integrals

Which is more easier derivative or integration?

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G

Gagan replied | 01/12/2016

Integration is quite easier than derivation.

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N

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Sanjeev replied | 07/12/2016

Put x = 45 degree.

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Sanjeev replied | 07/12/2016

Put x = 45 degree value =a.

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D

Deepthi 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Trigonometry

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S

Shiv replied | 19/11/2016

1

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Sarvajeet replied | 02/12/2016

1

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A

Arati Chaudhari 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Derivatives

Write the derivative of [cos(2x) + sin (2x)] with respect to x?

0 0 4

Show previous answers

Prateek replied | 19/11/2016

-2 sin 2x + 2cos2x

0 0

Muraleedharan replied | 20/11/2016

-2 Sin 2x + 2 Cos 2x = 2 [ Cos 2x - Sin 2x ]

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R

Rahul 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Derivatives

Write the derivative of cos[(square of (x) + 1)] with respect to x?

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Sarvajeet replied | 26/11/2016

-2x[sin{(square of (x) + 1)}].

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Answer

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S

Swati 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Derivatives

Write the derivative of [x cos(x)] with respect to x?

0 0

Sarvajeet replied | 26/11/2016

cos(x) - xsin(x).

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Answer

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N

Nasreen 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Derivatives

Write the derivative of [square of (x) - 9] / (x - 3) with respect to x?

0 0

Sarvajeet replied | 26/11/2016

1

0 0

Answer

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R

Rituraj 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Derivatives

Write the derivative of (cube of sinx)(cube of cosx) with respect to x?

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Sarvajeet replied | 26/11/2016

3(square of tanx) (square of secx).

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Answer

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A

Ashish 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Derivatives

Write the derivative of (ax + cot x) with respect to x?

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Shreyans replied | 08/12/2016

a - (Cosec)^2 X.

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Answer

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J

Jitendra 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Derivatives

Write the derivative of (2 sin 90 + 2 cos 90) with respect to angle?

0 0

Nirmal Bhasu replied | 06/12/2016

Zero.

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Answer

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A

Ambar 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Derivatives

Write the derivative of (1 + tan 45) with respect to angle?

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Jeet replied | 08/12/2016

it's a constant. So, the answer is zero.

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Answer

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R

Raveena 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Derivatives

Write the derivative of (tan 2x - x) with respect to x?

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Jeet replied | 08/12/2016

2 (square of Sec2x) - 1.

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Answer

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A

Ankan 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Derivatives

Write the derivative of (x - 4)/(4 + x) with respect to x?

0 0

Sarvajeet replied | 02/12/2016

8/square of (x+4).

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Answer

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V

Vikna 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Trigonometry

If tan x = b / a, then find the value of (a + b) / (a - b)?

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Jeet replied | 02/12/2016

sec2x + tan2x.

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Answer

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V

Vivek 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Trigonometry

If a cos x + b sin x = m and a sin x - b cos x = n, show that (square of a) + (square of b) = (square of m) + (square of n)?

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Gunturi replied | 03/12/2016

Square the two equations and add. Apply the Pythagorean trigonometric Identity.

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Answer

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J

Jagadeesh 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Trigonometry

Find the value of (tan 22 degree)?

0 0

Rachna replied | 18/11/2016

Around 0.4

0 0

Richa replied | 19/11/2016

0.008851

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Answer

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G

Gaurang 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Trigonometry

If tan x = 1/2 and tan y = 1/3, then what is the value of x + y?

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Tapas replied | 28/11/2016

tan(x + y) = [tan x + tan y] / [1 - (tan x)(tan y)] = [(1/2) + (1/3)] / [1 - (1/2)(1/3)] = 1 = tan (pi/4)
So, x + y = pi/4 radian = 45 degrees.

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Sarvajeet replied | 02/12/2016

45 degree.

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Answer

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S

Shamss 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Trigonometry

If tan x = m / m + 1, tan y = 1/2m +1 then what is the value of x + y?

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Sreedevi replied | 07/12/2016

45 degrees.

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Answer

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K

Kiran 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Trigonometry

What is the value of sin(45 + x) - cos(45 - x)?

0 0

Sarvajeet replied | 02/12/2016

0

0 0

Answer

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S

Sujish 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Trigonometry

What is the minimum value of 3 cosx + 4 sinx + 8?

0 0

Ankit replied | 22/11/2016

f(x) = 3cosx + 4sinx + 5
f '(x) = -3sinx + 4cosx
0 = -3sinx + 4cosx
3sinx = 4cosx
tanx = 4/3
x = 0.927 + npi radians for all integers, n
f ''(x) = -3cosx - 4sinx
f ''(0.927) = -5 < 0 so a maximum occurs at x = 0.927
f ''(0.927 + pi) = 5 > 0 so a minimum occurs at x = 4.069
f(0.927 + pi) = f(4.069) = 0

0 0

Sarvajeet replied | 02/12/2016

9

0 0

Answer

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P

Parna 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Trigonometry

If sin x + cos x = 1, then what is the value of sin 2x?

0 0

Hussam Uddin replied | 22/11/2016

Squaring on both sides, we get sin2x+ cos2x + sin2x = 1, 1 + sin 2x = 1, sin2x = 0.

0 0

Sarvajeet replied | 03/12/2016

0

0 0

Answer

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K

Karthik 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Integrals

What do you mean by integration?

0 0

Hussam Uddin replied | 29/11/2016

Integration is nothing but area of the graph represented by:-
y = f(x).

0 0

Answer

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J

Jyoti 10/11/2016 in  Class XI-XII Tuition (PUC), Mathematics(Class XI-XII Tuition (PUC)), Integrals

What is the difference between integration and derivative?

0 0

Sreedevi replied | 07/12/2016

In calculus, differentiation is the process by which rate of change of a curve is determined. Integration is just the opposite of differentiation. It sums up all small area lying under a curve and finds out the total area.
Differentiation deals with the calculation of a derivative which is the instantaneous rate of change of function taking into one of its variables into consideration....  more»
In calculus, differentiation is the process by which rate of change of a curve is determined. Integration is just the opposite of differentiation. It sums up all small area lying under a curve and finds out the total area.
Differentiation deals with the calculation of a derivative which is the instantaneous rate of change of function taking into one of its variables into consideration. It deals with quantities which continuously vary. In other words, it is equivalent to the slope of the tangent line, which is represented by m = change in y/ change in x.
Integration is just the opposite of differentiation, and therefore is also termed as anti-differentiation. It is able to determine the function provided its derivative. It measures the area under the function between limits. The process of integration is the infinite summation of the product of a function x which is f(x) and a very small delta x.
It is depicted by the symbol. If the specific interval is mentioned then it is known as definite integral otherwise indefinite integral. «less

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