Question: In Exercises 1-4, use the fundamental identities to simplify the expression. (There is more than one correct form of each answer). 1. tan cot

In Exercises 1-4, use the fundamental identities to simplify the expression. (There is more than one correct form of each answer).
1. tan Θ cot Θ / sec Θ
2. cos (π / 2 - x )sec x
3. tan2 x - tan2 x sin2 x
4. sin2 x sec2 x - sin2 x

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