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The expression 3{sin^4((3pi/2)-alpha)+si...

The expression `3{sin^4((3pi/2)-alpha)+sin^4(3pi-alpha)} -2{sin^6(pi/2+alpha)+sin^6(5pi-alpha)}` is equal to

A

0

B

1

C

3

D

`sin 4alpha=cos 6alpha`

Text Solution

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The correct Answer is:
B
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PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
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