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Answered on 25 May CBSE/Class 12/Science/Mathematics

Amit Ranjan

Tutor

300 per hr

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Answers 19 Comments Lesson Posted on 09 Feb CBSE/Class 12/Science/Mathematics

Inverse Trigonometry Fundamental Concept

Amritansh Sagar

Getting better is a process that should never stop. Skills: Fundamental knowledge of the subjects, Motivation...

Some basic concepts of Inverse Trigonometry: 1). To map real numbers back to angles. 2). An inverse of the sine function is denoted by arc sin(x). Domain: Range: It is also called the principal branch range. 4). The graph of arc sin(x) is obtained from sin(x) by interchanging x and y-axes. 5).... read more

Some basic concepts of Inverse Trigonometry:

1). To map real numbers back to angles.

2). An inverse of the sine function is denoted by arc sin(x).

Domain: [-1,1]

Range: [-π/2, π/2]

It is also called the principal branch range.

4). The graph of arc sin(x) is obtained from sin(x) by interchanging x and y-axes.

5). Graph of the arc sin(x) is the mirror image of sin(x) with the axis of symmetry is y=x.

6). Inverse of cos(x) is denoted by arc cos(x).

Domain: [-1,1]

Range : [0,π]

It is also called principal branch range.

7). arc tan(x)

Domain : Real Number

Range: (-π/2, π/2)

It is also principal branch range.

8). arc sec(x)

Domain: R -(-1, 1)

Range: [0, π] -{ π/2}

9).arc cosec(x)

Domain : R -(-1, 1)

Range: [-π/2, π/2]-{0}

10). arc cot(x)

Domain: R

Range: (0, π)

Here R denotes real number and range mentioned is principal branch range.

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Comments Lesson Posted on 02 Feb Exam Coaching/NEET-UG Coaching CBSE/Class 11/Science CBSE/Class 12/Science/Physics

Dr. Hefjur Rahman

1.Final Year MBBS student at Calcutta Medical College,most prestigious and decorated college in West...

When I was in class Xi , I wonder seeing a doctor.It seems almost impossible.Its been five years from then ,I'm a final year MBBS student at CMC ,oldest medical College in whole Asia . It took me 2 years of labour,dedication , sleepless night and self confidence.I have continued my board and medical... read more

When I was in class Xi , I wonder seeing a doctor.It seems almost impossible.Its been five years from then ,I'm a final year MBBS student at CMC ,oldest medical College in whole Asia . It took me 2 years of labour,dedication , sleepless night and self confidence.I have continued my board and medical preparation simultaneously.I didn't join a coaching centre to save my time ,read NCERT text books repeatedly and practised MTG aipmt guide mcqs and eventually got a lot common.During Exam , I kept my brain cool ,tried avoid darkening the area where I got confused.So, don't worry I advise you to

(a) read NCERT text Books thoroughly and point out the queries

(b) practise a decent mcq book

(c) read a books for explanation preferably MTG rapid biology , Arihant organic chemistry ,Physics D.C Pandey ..

Best Of Luck

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Lesson Posted on 05/10/2018 CBSE/Class 12/Science/Mathematics CBSE/Class 11/Science/Mathematics CBSE/Class 10/Mathematics

Kunal

Experience is the mother/father/great grandfather/mother of Education. It is a 4 step guide to build willpower and focus on taking action consistently.And taking action is the key to success when you are studying something on your own. THE 4-STEP GUIDE: - Define your outcome: This is where... read more

**Experience is the mother/father/great grandfather/mother of Education.**

It is a 4 step guide to build willpower and focus on taking action consistently.And taking action is the key to success when you are studying something on your own.

**THE 4-STEP GUIDE:**

**- Define your outcome:** This is where you set your goal. You need to define your purpose clearly before you start.

Just defining your goal isn’t all that enough. You need to build willpower for the same. Without willpower, you will lose motivation aft8er a while. So ask yourself:

**Why do I want to study this?**

What are the painful feelings and experiences I will have to go through if I don’t follow upon? ( Simple Tip: Attach as strong painful feelings as possible)

What are the pleasure feelings I could experience if I complete ___ and achieve my goal? ( Simple Tip: Attach as intense feelings of pleasure as possible)**- Take action:** This is where experience plays into your self-study journey. Once you have set your outcome, you start to take action because you have to. By now you know that it is going to be painful if you don’t go through and achieve your outcome.

And you also know that achieving your outcome has immense pleasure and happiness. The fruit of success is more pleasurable than the pain of working hard

Review your progress: At this stage, you are doing better than 95% of the people around you. You have a definite outcome in mind. You are working hard, and you have a significant focus on achieving your goal.

However, it's quite important to keep reviewing your progress.

Are you progressing more quickly than you anticipated?

Are you progressing slowly? A why so?

Enjoy your success: Nothing comes better than succeeding in a self-study program.

It is straightforward t achieve something when you have a tutor or a guide pushing you, reminding you about your task and setting daily/weekly goals for you.

But when you achieve your self-study goal, It shows your strength as a person. Willpower, grit, dedication and focus.

It becomes real-life evidence of your learning and growing as a person.

You set yourself daily goals.

You motivated yourself to achieve your goal.

You took action.

You flexed your strategy when you were off-track.

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Comments Lesson Posted on 24/09/2018 CBSE/Class 11/Science/Physics CBSE/Class 12/Science/Mathematics/Unit IV: Vectors and Three-Dimensional Geometry

Om Prakash Mishra

I am teaching Mathematics and Physics from past more than 12 years in coaching as well as home tuition...

Scalar quantity: Those quantities which have the only magnitude but no direction are called scalar quantities. For instance mass, time, length, distance. Vector quantity: Those quantities which have both, as well as direction, are called vector quantities. For instance Force, weight, displacement, acceleration. Scalar... read more

**Scalar quantity:** Those quantities which have the only magnitude but no direction are called scalar quantities. For instance mass, time, length, distance.

**Vector quantity:** Those quantities which have both, as well as direction, are called vector quantities. For instance Force, weight, displacement, acceleration.

Scalar quantities are Sony added and multiplied by the law of algebra, but vectors are added and multiplied by special law of vectors.

**Note:** Note electric current though has direction but does not obey the law of addition of vectors, so it is also a scalar quantity.

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Comments Answered on 05/09/2018 CBSE/Class 12/Science/Mathematics

Which hardware device I should use to write mathematics sums in online classes?

Shivam Trivedi

Video recording ( web cam )

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Answers 2 Comments Answered on 05/09/2018 CBSE/Class 12/Science/Mathematics

Which hardware device I should use to write mathematics sums in online classes?

Mariat J.

Mathematics Teacher

Wacom Pen Tablet

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Answers 1 Comments Answered on 30/08/2018 CBSE/Class 12/Science/Mathematics

Jaswant

400 per Hour

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Answers 11 Comments Answered on 04/08/2018 CBSE/Class 12/Science/Mathematics

Simran Khemani

Tutor

800-1000 per hour

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Answers 15 Comments Looking for Class 12 Tuition

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Answered on 20/08/2018 CBSE/Class 10/Mathematics/UNIT III: Coordinate Geometry/Coordinate geometry/Class 10 Difference between two points and section formula CBSE/Class 12/Science/Mathematics

Ashwani Pandey

Teacher

There is only one solution.

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