two *(- two *sin(two *x) - two *cos(two *x)/x + sin(two *x)/x^ two)/(five *x) = zero
2 multiply by ( minus 2 multiply by sinus of (2 multiply by x) minus 2 multiply by co sinus of e of (2 multiply by x) divide by x plus sinus of (2 multiply by x) divide by x squared ) divide by (5 multiply by x) equally 0
two multiply by ( minus two multiply by sinus of (two multiply by x) minus two multiply by co sinus of e of (two multiply by x) divide by x plus sinus of (two multiply by x) divide by x to the power of two) divide by (five multiply by x) equally zero