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(cos^(4)1^(@) + cos^(4) 2^(@) + cos^(4)3...

`(cos^(4)1^(@) + cos^(4) 2^(@) + cos^(4)3^(@)+....+cos^(4) 179^(@))-(sin^(4) 1^(@) + sin^(4) 2^(@) + sin^(4) 3^(@)+.....+sin^(4) 179^(@))` का मान बराबर है

A

`2 cos 1^(@)`

B

-1

C

`2 sin 1^(@)`

D

0

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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