Question: i need helping solving this problem sin x 1 - cos x Is = an identity for every angle x ? 1 + cos x

i need helping solving this problem sin x 1 - cos

i need helping solving this problem

sin x 1 - cos x Is = an identity for every angle x ? 1 + cos x sin x (1+4) If not, give an angle for which the identity is false. If yes, verify the identity

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