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sinx-cos^2x-1 assumes the least value fo...

`sinx-cos^2x-1` assumes the least value for the set of values of `x` given by

A

`x=npi+(-1)^(n+1)(pi/6),nin"I"`

B

`x=npi+(-1)^(n)(pi/6),nin"I"`

C

`x=npi+(-1)^(n)(pi/3),nin"I"`

D

`x=npi-(-1)^(n)(pi/6),nin"I"`

Text Solution

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The correct Answer is:
A, D
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