Question: tan 2 u = 1-cos 2u /1+cos 2u Prove, using the two proven power reducing identities. Quotient identity, Squared forms of the previous quotient identity

tan2 u = 1-cos 2u /1+cos 2u

Prove, using the two proven power reducing identities. Quotient identity, Squared forms of the previous quotient identity and Power identity forsin2u

andcos2u, Use all 4 steps

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