I need to find the 3rd derivative of f(x) = sin²x?
I get totally confused and mixed up after the 2nd derivative. plzz help anybody!!
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I get totally confused and mixed up after the 2nd derivative. plzz help anybody!!
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Verified answer
diff(sin(x)^2, x) = 2*sin(x)*cos(x)
diff(2*sin(x)*cos(x), x) = 2*cos(x)^2 - 2*sin(x)^2
diff(2*cos(x)^2-2*sin(x)^2, x) = - 8*sin(x)*cos(x)