Question: please do all Find dy/dx 38. y = cos- - r+1 2 40. y = cos(cos x) 42. y = sec-'(x) 44. Y = tan-
Find dy/dx 38. y = cos- - r+1 2 40. y = cos(cos x) 42. y = sec-'(x) 44. Y = tan- x 46. y = In(cos-? x)
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