If sec 4theta - sec 2theta = 2, then the gene | vedclass

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Question

(c) $\sec 4	heta - \sec 2	heta = 2$

$ \Rightarrow $ $\cos 2	heta - \cos 4	heta = 2\cos 4	heta \cos 2	heta $

$ \Rightarrow $ $ - \cos 4	he

Vedclass · Accepted Answer

$n\pi + \frac{\pi }{2}$or $\frac{{n\pi }}{5} + \frac{\pi }{{10}}$

Vedclass · Answer

(c) $\sec 4	heta - \sec 2	heta = 2$

$ \Rightarrow $ $\cos 2	heta - \cos 4	heta = 2\cos 4	heta \cos 2	heta $

$ \Rightarrow $ $ - \cos 4	heta = \cos 6	heta $

$ \Rightarrow $ $2\cos 5	heta \cos 	heta = 0$

$	heta = n\pi + {\pi\over{2}}$ or $\frac{{n\pi }}{5} + \frac{\pi }{{10}}$.

If $\sec 4\theta - \sec 2\theta = 2$, then the general value of $\theta $ is

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