9. Prove the following identities: [8] a) cos0-sino cos + sin cos 1 - tano b) csc csc 1 - csc 1+csce 2 sin COS 0 4
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9. Prove the following identities: [8] a) cos0-sino cos + sin cos 1 - tano b) csc csc 1 - csc 1+csce 2 sin COS 0 4
9. Prove the following identities: [8] a) cos0-sino cos + sin cos 1 - tano b) csc csc 1 - csc 1+csce 2 sin COS 0 4
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