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The equation 3^("sin"2x + 2"cos"^(2)x) +...

The equation `3^("sin"2x + 2"cos"^(2)x) + 3^(1-"sin"2x +2"sin"^(2)x) = 28` is satisfied for the values of x given by

A

cosx=0

B

sinx=-1

C

tanx=1

D

tanx=-1

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The correct Answer is:
A, D
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