What are the extrema of f(x)=-sin^2(ln(x^2))-cos^2(ln(x^2)) on the interval [0,2pi]?
1 Answer
Apr 15, 2017
Factoring out the negative:
f(x)=-[sin^2(ln(x^2))+cos^2(ln(x^2))]
Recall that
f(x)=-1