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If sintheta + costheta / sintheta - costheta = 3 thrn the vakuv of sin^4 theta = ?

If sintheta + costheta / sintheta - costheta = 3 thrn the vakuv of sin^4 theta = ?

Grade:12th pass

1 Answers

Aditya Gupta
2081 Points
5 years ago
Let theta=x
Simply rearrange to get
sinx=2cosx
Squaring
sin^2x=4-4sin^2x
So sin^2x= 4/5
Squaring once again we get the answer as
16/25

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