Solved

Find the Tangent Line to the Graph of F(x) = $\cos ^ { 2 }$

Question 110

Multiple Choice

Find the tangent line to the graph of f(x) = $\cos ^ { 2 }$ 2x at $\frac { \pi } { 2 } , 1$ .

A) 2
B) -2
C) -1
D) 1
E) none of these

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