How can you 115 DISCUSS Equations That Are Not Identities tell if an equation is not an identity Show that the follow ing

Question

How can you 115 DISCUSS Equations That Are Not Identities tell if an equation is not an identity Show that the follow ing equations are not identities a sin 2x 2 sin x b sin x y sin x sin y c sec x csc x 1 1 sin x cos X d csc x sec x

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