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In a triangle sin^(4)A + sin^(4)B + sin^...

In a triangle `sin^(4)A + sin^(4)B + sin^(4)C = sin^(2)B sin^(2)C + 2sin^(2) C sin^(2)A + 2sin^(2)A sin^(2)B`, then its angle A is equal to-

A

`30^(@)`

B

`120^(@)`

C

`150^(@)`

D

`60^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A, C
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