- two *sin(x)^ three *cos(x) + two *sin(x)*cos(x)^ three = zero
minus 2 multiply by sinus of (x) cubed multiply by co sinus of e of (x) plus 2 multiply by sinus of (x) multiply by co sinus of e of (x) cubed equally 0
minus two multiply by sinus of (x) to the power of three multiply by co sinus of e of (x) plus two multiply by sinus of (x) multiply by co sinus of e of (x) to the power of three equally zero
-2*sin(x)3*cos(x) + 2*sin(x)*cos(x)3 = 0
-2*sinx3*cosx + 2*sinx*cosx3 = 0
-2*sin(x)³*cos(x) + 2*sin(x)*cos(x)³ = 0
-2*sin(x) to the power of 3*cos(x) + 2*sin(x)*cos(x) to the power of 3 = 0