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Directions (FOR NEXT THREE): Read the following information carefully and answer the questions given belaw
Given, `16sin^5x=p sin 5x +qsin 3x + rsin x`
What is the value of q?

A

a) 1

B

b) 2

C

c) -1

D

d) -2

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The correct Answer is:
A
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PUNEET DOGRA-TRIGONOMETRY-PREV YEAR QUESTIONS
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  2. Consider the following statements: I. If 3theta is an acute angle s...

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  3. Directions (FOR NEXT THREE): Read the following information carefully ...

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  4. Directions (FOR NEXT THREE): Read the following information carefully ...

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  5. Directions (FOR NEXT THREE): Read the following information carefully ...

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  6. Consider the following: I.tan((pi)/(6)) II. tan((3pi)/(4)) ...

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  7. What is (1 -sin^2alpha) (1+tan^2alpha) equal to?

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  8. What is sin^2 50^@ + sin^2 40^@ equal to?

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  9. If cos x = 1/3. Then, what is sinx. cotx. cosec x. tan x equal to?

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  10. The value of (cot54^(@))/(tan36^(@))+(tan20^(@))/(cot70^(@)) is

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  11. What is tan 15^(@) equal to ?

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  12. What is the value of tan 105^(@)?

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  13. If sin theta + 2cos theta = 1, then what is 2sin theta - cos theta equ...

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  14. What is (1-"tan"^(2)(x)/(2))/(1+"tan"^(2)(x)/(2))equal to :

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  15. The expression (cotx+cosecx-1)/(cotx-cosecx+1) is equal to:

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  16. What is the value of (sin^4alpha-cos^4 alpha+1)cosec^2 alpha.

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  17. If tanA=x+1andtanB=x-1, then x^(2)tan(A-B) has the value :

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  18. If A+B=90^(@), then what is sqrt(sinAsecB-sinAcosB)equal to ?

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  19. What is tan^(4)A-sec^(4)A+tan^(2)A +sec^(2)A equal to ?

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  20. If cosec theta + cot theta = c, then what is cos theta equal to?

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