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Class 10 Mathematics: Trigonometry
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The section contains questions and answers on trigonometric ratios, trigonometric identities, specific and complementary angles of trigonometric ratios.

Class 10 Mathematics: Trigonometry
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25 Questions

1. What is the product of cot 42° and tan 48°?
2. Trigonometric ratios are ______
3. Evaluate \(\frac {1+cos \, \theta }{sin \, \theta } \)(cosec θ – cot θ).
4. If sin (A + B) = \(\frac {\sqrt {3}}{2}\) and tan (A – B) = 1. What are the values of A and B?
5. Find the correct trigonometric identity.
6. 60° lies in the_____ quadrant.
7. What is the value of cos2θ – sin2θ if the length of the opposite side is 20 units and the length of the hypotenuse is 29 units?
8. If tan α = √3 and cosec β = 1, then the value of α – β?
9. The basic trigonometric ratios are _____
10. \(\frac {Sin \theta }{Cos \theta}\) equals to ______
11. Trigonometric ratios are only applicable to which kind of triangles?
12. Choose the correct reciprocal ratios.
13. Sin (90° – x) equals to ______
14. Which among these are complementary angles?
15. If tan A = \(\frac {89}{17}\), then cot A is _____
16. (sin A – cos A)2 is equal to _____
17. Which trigonometric ratios are positive in the second quadrant?
18. What is the value of tan 48°?
19. \(\frac {Length \, of \, hypotenuse}{Length \, of \, opposite \, to \, angle \, A}\) is _____
20. Sec (360° – θ) is _____
21. Find the value of cos 135°.
22. Sec θ – \(\frac {1}{sec \, \theta }\) is _____
23. Evaluate tan 75° + cot 65°.
24. If the length of the opposite side is 20 units and the length of the hypotenuse is 29 units then find cosec A?
25. Evaluate \(\sqrt {\frac {1 – sin⁡ \, ⁡A}{1 + sin \, ⁡⁡A}}\).

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