Question: In Problems 21100, establish each identity. 9 sec 2 0 5 tan 0 = 5 + 4 sec 0

In Problems 21–100, establish each identity.9 sec 2 0 5 tan 0 = 5 + 4 sec

9 sec 2 0 5 tan 0 = 5 + 4 sec 0

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