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If (cos^(4)alpha)/(cos^(2) beta) + (sin^...

If `(cos^(4)alpha)/(cos^(2) beta) + (sin^(4)alpha)/(sin^(2)beta)` = 1, prove that
`sin^(4)alpha + sin^(4) beta = 2 sin^(2) alpha sin^(2) beta`

Text Solution

Verified by Experts

The correct Answer is:
`sin^(2) beta`
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