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The number of all the possible triplets ...

The number of all the possible triplets `(a_1,a_2,a_3)` such that `a_1+a_2cos(2x)+a_3sin^2(x)=0` for all `x` is

A

0

B

1

C

3

D

Infinite

Text Solution

Verified by Experts

The correct Answer is:
D
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