Let tsx, yd cossx 1 2yd. (a) Evaluate ts2, 21d. (b) Find the domain of t. (c) Find the
Chapter 9, Problem 9(choose chapter or problem)
Let tsx, yd cossx 1 2yd. (a) Evaluate ts2, 21d. (b) Find the domain of t. (c) Find the range of t.
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