Question: 7. (12 Points) Establish the identity. cos 0 + sin 0 sing 0 cot 9 + cos2 9 sin e

7. (12 Points) Establish the identity. cos 0 + sin 0 sing

7. (12 Points) Establish the identity. cos 0 + sin 0 sing 0 cot 9 + cos2 9 sin e

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