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Find the value of (cos^(4)1^(@)+cos^(4)2...

Find the value of `(cos^(4)1^(@)+cos^(4)2^(@)+cos^(4)3^(@)+......+cos^(4)179^(@))-(sin^(4)1^(@)+sin^(4)2^(@)+sin^(4)3^(@)+.......+sin^(4)179^(@))`.

A

`2cos1^(@)`

B

-1

C

`2 sin 1^(@)`

D

0

Text Solution

Verified by Experts

The correct Answer is:
B
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