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Question

$f(x)=\sin x, g(x)=\cos x, h(x)=2 x,$ and $p(x)=\frac{x}{2}.$ Find the value of each of the following: $(f-g)\left(60^{\circ}\right)$

Solution

VerifiedAnswered 1 year ago

Answered 1 year ago

Step 1

1 of 4In order to find the value of the given function, let us note that $f(60\degree)=\sin60\degree$ while $g(60\degree)=\cos60\degree$ where we need to determine first its exact value by using the points on the unit circle that corresponds to the angle, hence we now have:

$\sin 60\degree=\frac{\sqrt3}{2} \text{ and } \cos60\degree=\frac{1}{2}~.$

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