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Prove that cos^(2)76^(@)+cos^(2)16^(@)-c...

Prove that `cos^(2)76^(@)+cos^(2)16^(@)-cos76^(@)cos16^(@)=(3)/(4)`

A

`1//2`

B

0

C

`-1//4`

D

`3//4`

Text Solution

Verified by Experts

The correct Answer is:
D
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