If 0 < f ≤ 90 and cos(22f − 1) = sin(7f + 4), what is the value of f? f = 3 f = 4 f = 5 f = 6

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  cassidy wants to cut the yellow fabric into strips that are 0.3 yards wide. how many strips of yellow fabric can cassidy make? yellow fabric 16 yards for $108.00.

Let f(x) = 1/x^2 (a) use the definition of the derivatve to find f'(x). (b) find the equation of the tangent line at x=2