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Class 10 Maths Chapter 8 Introduction To Trigonometry Quiz 4 (25 MCQs)

Quiz Instructions

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1. Which is the trig function relates the opposite side and the adjacent side?
2. $\sin\theta$
3. Given that:Sin A = $\frac{a}{b}$
4. If A, B and C are interior angles of $\Delta$ $\frac{B+C}{2}$
5. If in a Triangle ABC, $\angle C=90^0$
6. State true or false $\cos\theta=\frac{base}{hypotenuse}$
7. Which side in a right angle triangle is the biggest side?
8. What is the helpful phrase we can use to remember the trigonometric ratios/functions?
9. Without 30+cos 60-tan 45 =?
10. Who is the father of trigonometry?
11. True or false:cos (45$^\circ$+ 30$^\circ$) = cos45$^\circ$+ cos30$^\circ$
12. Is tanA the reciprocal of cotA
13. Which is the trig function that relates the adjacent side and the hypotenuse?
14. 1-cos$^{2}$A is equal to
15. What are the negative and positive coterminal angles of 240$^{}$$^\circ$?
16. If you are given the two sides that are not the hypotenuse, which trig function should you use?
17. In $\Delta$ $\frac{1}{2}$
18. If sin A = 1/2 and cos B = 1/2, then A + B =?
19. If sin A = $\frac{1}{2}$ $\frac{1}{2}$
20. If tanA=cot(30$^\circ$+A), then A= .....
21. What trigonometric function is the reciprocal of the sine function?
22. State true/falsecot A is the product of cot and A
23. $9\sec^2\theta-9\tan^2\theta= ..... $
24. The Pythagorean Theorem ONLY works on which triangle?
25. So a =
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