Prac#ce Verify that each of the following is an identity. 1. (1 ......Verify that each of the...
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Prac#ce Verify that each of the following is an identity. 1. (1 ......Verify that each of the following is an identity. 1. (1 + sin — sin e) sec2 (l + sin sin 1 — sin2 e cos2 e