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Asked by Anonymous

Find any critical numbers of the function
h(x)=sin^2(x)+cos(x)
0 < x < 2π
12 years ago

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Answered by Steve
h' = 2sin cos - sin
= sin(2cos - 1)

so, places where sinx = 0 or cosx = 1/2 are critical numbers.

piece o' cake, right?
12 years ago
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Find any critical numbers of the function
h(x)=sin^2(x)+cos(x)
0 < x < 2π

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