Question: In Exercises 1-4, verify the identity. 1. cos x(tan2 x + 1) = sec x 2. sec2 x cot x - cot x = tan

In Exercises 1-4, verify the identity.
1. cos x(tan2 x + 1) = sec x
2. sec2 x cot x - cot x = tan x
3. sin(π / 2 - Θ) tan Θ = sin Θ
4. cot(π / 2 - π) csc x = sec x

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