Verify the identity. cos 0 +1 sin 0 cot 0 + csco To verify the identity, start with the more complicated side and transform it to look like the other side. Choose the correct transformations and transform the expression at each step. COB 0 + 1 sin 0 Separate the quotient into two terms. Express in terms of sines and cosines. Factor out the greatest common factor. Apply the appropriate even-odd identity