If x is measured in degrees and f(x) = cosx, then d f(x) = − sinx

Q: If ƒ(x) = 3 cos(7 ln(x)), find ƒ'(x). Answer:

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Q: Find [(x- sin(2x)) dx

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Q: Evaluate sin (44°) + cos (29°) using differentials. Refer to special triangles.

A: To evaluate sin44°+cos29∘ using differentials.

Q: f f(x)=sinx and f(x)=-1, calculate x for 0°<x <360°.

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Q: find f'(x). Answer: f(x) - 5 sin x 1 + cos x

A: f(x)=5sinx1+cosxd dx(sinx)=cosxd dx(cosx)=-sinx d dx(ab)=b×d dx(a)-a×d dx(b)b2

Q: Each time your heart beats, your blood pressure first increases and then decreases as the heart…

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Q: Find the value of

A: To find the value of ddxtanxx=π3.

Q: (b) y'= sin 4x.

A: The objective is to find y.

Q: Verify. esc (x) [I-cos(2x)] = 2 sin (x) SC

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Q: B. Find y(4). 1. y = sin 2x tan x csc² 2

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Q: Differentiate y = tan ¹(√x). y'

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Q: Sketch the following, marking points of interest. Y = (*+2}(x+4}/(x+3) Y= 2 sin x+1 Y= sin (2x)

A: Given Y = (x+2)(x+4)/(x+3) Y = 2sinx+1 Y=sin(2x)

Q: Find of the equation y = cosx(1+ cscx). dx

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Q: If g(x): = cos 2x and f(x) = sin-n, find g(f(x)). %3D

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