Question: Ill. Identities (Fill in all possible correct identities) sin a + 1 sec 0 = csc 0 = sin 20 = sin (A + B)

Ill. Identities (Fill in all possible correct identities) sin a + 1 sec 0 = csc 0 = sin 20 = sin (A + B) = tan 0 + 1 = cos 29 = COS(A - B) =
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