## Class 11 Maths Trigonometric Functions L13

Believe you can and you’re halfway there. – Theodore Roosevelt Lecture - 13 Chapter 3 Trigonometric Functions Purpose for Law of Sines and Law of cosines Derivation of Law of sines for Acute angles Derivation of Law of sines for Obtuse angles Derivation of Law of cosines for Acute angles Derivation of Law of cosines …

## Class 11 Trigonometric Functions L12

It’s not about perfect. It’s about effort Lecture - 12 Chapter 3 Trigonometric Functions Introduction to Trigonometry EquationsDerivation of general solutions for zeroes trigonometry equationsDerivation of general solutions for non zeroes trigonometry equationsGeneral Solutions and Principal SolutionsNCERT Exercise 3.4Find the principal and general solutions of the following equations:Question 1 Question 2 Question 3 Question 4 …

## Class 11 Maths Trigonometric Functions L11

Whatever is worrying you right now, forget about it. Take a deep breath, stay positive and know that things will get better. Lecture - 11 Chapter 3 Trigonometric Functions Derivation for half angles, sin(x/2), cos(x/2) and tan(x/2) Example 27 Find the value of Example 28 If , find the value of sin(x/2), cos(x/2) and tan(x/2). …

## Class 11 Maths Trigonometric Functions L10

We must embrace pain and burn it as fuel for our journey. Lecture - 10 Chapter 3 Trigonometric Functions Chapter 3 Miscellaneous Exercise Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Example 25 If , where x and y both lie in second quadrant, find the value of Example 26 Prove …

## Class 11 Maths Trigonometric Functions L9

A problem is a chance for you to do your best. – Duke Ellington Lecture - 10 Chapter 3 Trigonometric Functions Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 25 Derivation for cot(A+B) and cot(A-B)Question 22 Example 14 Show that

## Class 11 Maths Trigonometric Functions L8

The pain you feel today will be the strength you feel tomorrow. Lecture - 8 Chapter 3 Trigonometric Functions Derivation for thrice angles Derivation for Question 12 Question 13 Question 14 Question 15

## Class 11 Maths Trigonometric Functions L7

Pain is temporary. Quitting lasts forever. – Lance Armstrong Lecture - 7 Chapter 3 Trigonometric Functions NCERT Exercise 3.3 Question 6 Question 7 Question 8 Question 9 Question 10 Derivation for Question 11 Derivation for twice anglesQuestion 24 Question 23

## Class 11 Maths Trigonometric Functions L6

"Everything you’ve ever wanted is on the other side of fear." — George Addair Lecture - 6 Chapter 3 Trigonometric Functions Exercise 3.3 Question 2 Exercise 3.3 Question 4 Derivation of identity for sin(A+B) using example of sin75°Value of sin75° using sin(A+B) identity Exercise 3.3 Question 5 Find the value of:(i) sin 75°(ii) tan 15°Derivation …

## Class 11 Maths Trigonometric Functions L5

The pain you feel today will be the strength you feel tomorrow Lecture - 5 Chapter 3 Trigonometric Functions Working with unit circle in trigonometry through vertical lineSome extra questions from NCERT Exemplar problem, CBSE Support material and other books explaining working with coterminal and allied anglesWorking with the unit circle in trigonometry (on horizontal …

## L4 Class 11 Maths Trigonometric Functions

Look in the mirror. That’s your competition. Lecture - 4 Chapter 3 Trigonometric Functions Working with unit circle in trigonometry through horizontal line, coterminal angles and allied angles NCERT Exercise 3.2 Find the values of the trigonometric functions in Exercises 6 to 10. 6. 7. 8. 9. 10.