Question: In Exercises 1-4, verify the identity algebraically. Use a graphing utility to check your result graphically. 1. sec y cos y = 1 2. cot2

In Exercises 1-4, verify the identity algebraically. Use a graphing utility to check your result graphically.
1. sec y cos y = 1
2. cot2 y(sec2 y − 1) = 1
3. tan2 Θ / sec Θ = sin Θ tan Θ
4. cot3 t / csc t = cot(csc2 t 1)

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