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Let f(theta, alpha)= 2sin^2theta+4cos(th...

Let `f(theta, alpha)= 2sin^2theta+4cos(theta+alpha)sintheta.sinalpha+cos2(theta+alpha)`
The value of `f(pi/3,pi/4)` is

A

0

B

1

C

2

D

3

Text Solution

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The correct Answer is:
A
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PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
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  10. Match List - I with List-II

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  13. If M be the maximum value of 1+2sinx+3cosx, then 3M-10 is equal to

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  19. If tanalpha=m/(m+1) , tanbeta=1/(2m+1) prove that alpha+beta=pi/4

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  20. If (sin(theta+alpha))/(cos(theta-alpha))=(1-m)/(1+m) prove that tan((p...

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