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If sin^(3)theta + sintheta costheta + co...

If `sin^(3)theta + sintheta costheta + cos^(3)theta =1`, then the value of `theta` will be-

A

`2npi`

B

`2npi + pi/2`

C

`2npi - pi/2`

D

`npi`

Text Solution

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The correct Answer is:
A, B
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