CBSE Class 10 Mathematics Some Applications of Trigonometry Worksheet Set H

CBSE Class 10 Applications of Trigonometry (13). Students can download these worksheets and practice them. This will help them to get better marks in examinations. Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

TOPIC :TRIGONOMETRY

1. If cot Ѳ = 15/8, evaluate

2. If 7 sin2Ѳ + 3 cos2Ѳ = 4, show that tan

3. Evaluate: tan2 60˚ - 2 cos260˚ -

4. Evaluate:

+ 2 sin

5. Evaluate: √2 tan245˚ + cos230˚

6. If sec2Ѳ (1+sinѲ) (1-sinѲ) = k, find the value of k

7. Evaluate: (sin 90˚ + cos 45˚ + cos 60˚) (cos 0˚

8. Find the value of:

˚

˚

-

˚

˚

-

9. If sin (A + B) = 1, cos (A – B) = 1, find A and B

10. If cos (40˚ + x) = sin 30˚, find the value of x

11. Sin 4A = cos (A - 20˚), where 4A is an acute angle, find the value of A

12. Find the acute angles A and B, A>B, if sin (A + 2B) =

13. Evaluate: sec (90 – Ѳ)cosecѲ

14. If sinA – cosB = 0, prove that A + B = 90

15. If

Ѳ Ѳ

Ѳ – Ѳ

=

, evaluate

16. What is the maximum value of 1/sec

17. If A, B and C are interior angles of triangle ABC, show that cos {

18. If x = a sinѲ, y = b tanѲ. Prove that

19. Prove that:

Ѳ

+

– Ѳ

= 2 sec

20. Prove that:

Ѳ

Ѳ

+

21. If tan Ѳ + sin Ѳ = m and tan Ѳ

22. If tan A = n tan B and sin A = m sin B. Prove that cos

23.If x sin3Ѳ + y cos3Ѳ = sinѲ cos

24.If sinѲ + cosѲ =√3 then prove that tan

25.If a cosѲ – b sinѲ = c prove that a sin

26.If sinѲ + cosѲ = a, tanѲ + cot

27.If x=a cos3 Ѳ, y = b sin3Ѳ, prove that

6

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