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One value of theta which satisfies the e...

One value of `theta` which satisfies the equation `sin^(4)theta-2sin^(2)theta-1` lies between 0 and `2pi`.

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To solve the equation \( \sin^4 \theta - 2\sin^2 \theta - 1 = 0 \) for \( \theta \) in the interval \( [0, 2\pi] \), we can follow these steps: ### Step 1: Substitute \( y = \sin^2 \theta \) Let \( y = \sin^2 \theta \). Then the equation becomes: \[ y^2 - 2y - 1 = 0 \] ...
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