यदि 4 sin^(2)(2x - 10)^(@) = 3, 0 le (2x...

यदि `4 sin^(2)(2x - 10)^(@) = 3, 0 le (2x - 10) le 90` है, तो `(sin^(4)(x-5)^(@) + cos^(4)(x-5)^(@))/(1-2 sin^(2)(3x-15)^(@) cos^(2)(3x - 15)^(@))` का मान ज्ञात करें।

A

`-(5)/(8)`

B

`-1`

C

1

D

`(5)/(8)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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