Proving. Prove the following Trigonometric Identities. 1. cotO + tanO= cot Osec^20
2. cSc^2O + tan2O-cot^2 0 = sec ^2O
3. (tan^2 O) (sin ^2 O) + (sin^2 O) = (tan^2 0)
2. cSc^2O + tan2O-cot^2 0 = sec ^2O
3. (tan^2 O) (sin ^2 O) + (sin^2 O) = (tan^2 0)
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