Show that cosec 2x = 1/2 cosec x sec x
Added by Doris F.
Step 1
We also know the double angle formula for sine: $\sin 2x = 2 \sin x \cos x$. Now, let's find $\cosec 2x$: $\cosec 2x = \frac{1}{\sin 2x} = \frac{1}{2 \sin x \cos x}$. Show more…
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