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 csc

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 csc Θ
2. tan(−x) cos x
3. sin ϕ(csc ϕ - sin ϕ)
4. cos x(sec x − cos x)

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