whateverdawgg123
New member
f(x)=cos^2(x) at a=?/3
im using the m=lim(h->0) f(x+h)-f(x)/h equation.
im not sure what to do when i plug in f(x) into the equation. note: its cos^2(x) no cos(x)^2. is there a trig identity for this?
im using the m=lim(h->0) f(x+h)-f(x)/h equation.
im not sure what to do when i plug in f(x) into the equation. note: its cos^2(x) no cos(x)^2. is there a trig identity for this?