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Q. Let n be an add integer if sin ntheta...

Q. Let n be an add integer if `sin ntheta = sum_(r=0)^n(b_r)sin^rtheta`, for every value of theta then, a. `b_0 = 1, b_1 = 3` b. `b_0 = 0, b_1 = 1` c. `b_0 = -1, b_1 = 1` d. `b_0 = 0, b_1 = 2`

A

`b_(0)=1, b_(1)=3`

B

`b_(0)=0, b_(1)=n`

C

`b_(0)=-1, b_(1)=n`

D

`b_(0)=0, b_(1)=n^(2)-3n-3`

Text Solution

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The correct Answer is:
B
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ARIHANT MATHS ENGLISH-TRIGONOMETRIC FUNCTIONS AND IDENTITIES-Exercise (Questions Asked In Previous 13 Years Exam)
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  15. If A = sin^2x + cos^4 x, then for all real x :

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