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The equation sin^6 + cos^6 = a^2 has re...

The equation `sin^6 + cos^6 = a^2` has real solution if

A

`a in (-1,1)`

B

`a in (-1,-1//2)`

C

`a in (-(1)/(2)(1)/(2))`

D

`ain (1//2,1)`

Text Solution

Verified by Experts

The correct Answer is:
B, D
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