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Class 10 Maths Practice Test: Trigonometric Ratios of Complementary Angles
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Class 10 Maths Practice Test: Trigonometric Ratios of Complementary Angles
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20 Questions

1. The sum of two angles in ∆PQR is complementary with the right angle at Q.
2. Cot 405° equals to _____
3. Which trigonometric ratios are positive in the second quadrant?
4. Evaluate sec 65° + cosec 75°.
5. What is the value of tan 48°?
6. Sin (270° – x) equals to ______
7. Sec (360° – θ) is _____
8. Sec 75° equals to _____
9. Which trigonometric ratios are positive in the fourth quadrant?
10. Which among these are complementary angles?
11. The sum of two angles in ∆ABC is supplementary with the right angle at B.
12. Two angles are said to be supplementary if the sum of these two angles is 180°.
13. Find the value of cos 135°.
14. Cot(180° – a) is _____
15. Evaluate \(\frac {sin \, 54^{\circ }}{cos⁡ \, 36^{\circ }}\).
16. Find the value of tan 225°.
17. Sin (90° – x) equals to ______
18. Evaluate \(\frac {Cot \, 54^{\circ }}{tan \, ⁡36^{\circ }}\).
19. Evaluate tan 75° + cot 65°.
20. What is the product of cot 42° and tan 48°?

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