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Class 10 Maths Chapter 8 Introduction To Trigonometry Quiz 1 (25 MCQs)

Quiz Instructions

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1. Sin 2A = 2 sin A is true when A =
2. What is the ratio for Sine?
3. Say 'TRUE' or 'FALSE'If A and B are acute angles such that Cos A > cos B, then A > B
4. Trigonometry derived from .....
5. If cos 9A = sin A and 9A < 90$^\circ$, then the value of tan 5A is .....
6. $\frac{1}{\tan\\theta}$
7. Sin 2 A=2 sin A, is true when A is equal to
8. Calculate tan(84$^\circ$ 26' 11")
9. State true/falseThe value of sin(theta) increases as theta increases from 0 deg to 90 deg
10. Standard position is when .....
11. State true/falsesecA is not defined for A= 90 deg
12. Without $^{2} $ a =
13. Write this angle in degrees, minutes, seconds:206.495
14. THE POINT (-3, 2) LIES IN WHICH QUADRANT?
15. In a right triangle ABC, the right angle is at B. Which of the following is true about the other two angles A and C?
16. If in $\Delta$ $\angle$ $90^0$
17. If cosec A-cot A = $\frac{4}{5}$
18. TRUE or FALSE:'' is the symbol for representing seconds
19. Is is possible for a triangle to have two obtuse angles?
20. Calculate cos(15$^\circ$ 30')
21. Ratio of sides of a right triangle with respect to its acute angles are known as
22. Cot$^{2}$ A + 1=
23. If sin A= $\frac{4}{3}$
24. In a right angled triangle the side opposite to right angle is called
25. Choose the correct statement
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