Chapter 12 : Troigonometry

Exercise - 24

1. Simplify:

2. Evaluate:

3. Evaluate:

4. Evaluate:

Prove the following indentities:

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

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27.

28.

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31.

32.

33.

34.

35. If determine

36. If Show taht

37. If Show that

38. If Show that

39. If find the value of

40. If find the value of

41. If show that

42. prove that

43. If prove that

44. If and prove that

45. If prove that

Answers

1. 1 2. -1 3. 11/6 4.
Maths by Mr. M. P. Keshari
Subjects Maths (Part-1) by Mr. M. P. Keshari
Chapter 9 Circle
Chapter 10 Tangents to a circle
Chapter 11 Geometrical Construction
Chapter 12 Troigonometry
Chapter 13 Height and Distance
Chapter 14 Mensuration
Chapter 15 Statistics
Chapter 16 Probability
Chapter 17 Co-ordinate Geometry