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#
