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MCQs for Introduction to Trigonometry
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MCQs for Introduction to Trigonometry
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15 Questions

1. 5 tan² A – 5 sec² A + 1 is equal to
2. If y sin 45° cos 45° = tan2 45° – cos2 30°, then y = ..
3. If A and (2A – 45°) are acute angles such that sin A = cos (2A – 45°), then tan A is equal to
4. If sin A – cos A = 0, then the value of sin4 A + cos4 A is
5. If in ΔABC, ∠C = 90°, then sin (A + B) =
6. If x and y are complementary angles, then
7. What is the minimum value of sin A, 0 ≤ A ≤ 90°
8. If sin θ + sin² θ = 1, then cos² θ + cos4 θ = ..
9. sin 2B = 2 sin B is true when B is equal to
10. 5 tan² A – 5 sec² A + 1 is equal to
11. If sin θ + sin² θ = 1, then cos² θ + cos4 θ = ..
12. If sin A – cos A = 0, then the value of sin4 A + cos4 A is
13. What is the maximum value of \(\frac{1}{\csc A}\)?
14. If in ΔABC, ∠C = 90°, then sin (A + B) =
15. What is the maximum value of \(\frac{1}{\csc A}\)?

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