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Qn #850
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If $32\, \tan ^8\theta=2\cos ^2\alpha-3\cos \alpha$ and $3\, \cos \, 2\theta=1$, then the general value of $\alpha$ =
A.
$n\pi\pm\frac{\pi}{3}$
B.
$2n\pi\pm\frac{2\pi}{3}$
C.
$2n\pi\pm\frac{\pi}{3}$
D.
$n\pi\pm\frac{2\pi}{3}$
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❓ Question: If $32\, \tan ^8\theta=2\cos ^2\alpha-3\cos \alpha... | TANCET Group Studies | Tancet Group Studies