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M

Mukul 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

If angle sin A = 1/2, then the value of cot A?

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T Raghavender replied | 26/11/2016

SinA = 1/2. =>A=30 degrees, cotA = cot30 = root 3.

0 0

Sarvajeet replied | 02/12/2016

sin A = 1/2, cos A = square root 3 /2.
cot A = square root 3.

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Answer

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B

Baiju 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

What is the value of (tan 1 degree tan 2 degree tan 3 degree…...tan 89 degree)?

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Suyash replied | 19/11/2016

Here,
tan 1°× tan 89° = tan 1° × cot 1 ° = 1
& Similarly,
tan 2°× tan 88° = 1 as so on.
So the value of,
tan1° × tan2° × ... tan 89° = tan 45° = 1

0 0

Answer

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S

Shankar 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Simplify: (cube of angle sin + cube of angle cos) / (angle sin + angle cos)?

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M

Misha 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

What is the value of (square of angle tan / 1 - square angle cot) + (square of angle cot / 1 - square of angle tan)?

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A

Aravind 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

What is the value of square of angle tan 45 degree + square of angle cot 30 degree + 2?

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S

Sonal 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Evaluate: square of (angle sin 27 degree / angle cos 63 degree) + square of (angle of cos 63 degree / angle of sin 27 degree)?

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F

Furqankhan 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Evaluate: angle cos (90) degree / angle sin + angle sin / angle cos (90) degree?

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S

Samadhan 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Evaluate: square of angle sec - square of angle cot (90 - ?)?

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K

K 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Define Trigonometry in terms of mathematics?

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Y

Yamun 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Evaluate angle cos(40 degree + ?) - angle sin(50 degree - ?)?

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K

Krishna 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Evaluate: square of angle sec 10 degree - square of angle cot 80 degree?

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N

Neha 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Evaluate: square of angle sin + square of angle cos?

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P

Praneeth 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Solve the following equation for 0 degree less than ? less than or equal to 90 degree: 3 (angle tan ?) + (angle cot ?) = 5 angle cosec ??

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U

Uma 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

If (a cos ?) - (b sin ?) = x and (a sin ? + b cos ?) = y, prove that square of a + square of b = square x + square y?

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K

Khushboo 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

If x = p angle sec ? + q angle tan ? and y = p angle tan ? + q sec ?, prove that square of x - square of y = square of p - square of q?

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J

Jacob 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Show that (1 + angle cot ?)(1 + tan ? + sec ?) = 2?

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C

Chiranjib 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Who discovered trigonometry?

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N

Neelima 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

If angle cosec ? - angle sin ? = a, angle sec ? - angle cos ? = b, prove that (square of a * square of b) (square of a + square of b + 3) = 1?

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Answer

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U

Ushashree 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Find the value of 4/3 square of angle tan 30 degree + square of sin 60 degree - 3 * square of 60 degree + 3/4 square of tan 60 degree - 2 * square tan 45 degree?

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A

Ankush 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

Find the value of 4(square of sin 30 degree + square of 60 degree) - 3 (square of cos 45 degree + square of sin 90 degree)?

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A

Angel 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

What is the value of angle tan ? + angle sin ? / angle tan ? - angle sin ??

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D

Dev 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

If angle cos A = 4/5, then what is the value of angle tan A?

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P

Prashant 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

If the triangle ABC is right angle at C, then what is the value of angle cos (A+B)?

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A

Anil 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

What is the value of (square of angle cos A + square of angle sin A)?

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M

Manjunath 02/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Trigonometry

What is the value of the angle tan 45 degree?

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Answer

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