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Difference between maximum and minimum values of $θ$ satisfying the equation $\sin^{4} θ + \cos^{7} θ = 1$ in the interval $(- π, π)$ is:

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π/2

π/4

None

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detailed solution

Correct option is A

If cosx≠1,sin2x≠1 . Then, cos7x

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Difference between maximum and minimum values of θ satisfying the equation sin4θ+cos7θ=1 in the interval (−π,π) is:

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Difference between maximum and minimum values of $θ$ satisfying the equation $\sin^{4} θ + \cos^{7} θ = 1$ in the interval $(- π, π)$ is: