(a) Use a computer algebra system to find the derivativeofy = arctan 1 cos x1 + cos
Chapter 4, Problem 107(choose chapter or problem)
(a) Use a computer algebra system to find the derivativeofy = arctan 1 cos x1 + cos x.(b) Graph the derivative. Does the graph agree with theanswer you got in part (a)? Explain using the identitycos(x) = cos2(x/2) sin2(x/2).
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