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Prove that abs(sinthetasin(60^@-theta)si...

Prove that `abs(sinthetasin(60^@-theta)sin(60^@+theta)) le1/4` for all values of `theta`.

A

the minimum value of y is (-1/4)

B

the maximum value of y is 1

C

`yle1/4`

D

`yge-1`

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The correct Answer is:
A, C
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