Question: 4. Prove each identity. 1 + tan e 1 - tan & a) tan? @-sin? = sin @tan? e b) 1 + cote cot e-

4. Prove each identity. 1 + tan e 1 - tan

& a) tan? @-sin? = sin @tan? e b) 1 + cote

4. Prove each identity. 1 + tan e 1 - tan & a) tan? @-sin? = sin @tan? e b) 1 + cote cot e- 1 5. Solve for all angles.b

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