two *(one /(five *x))*cos(two *x) - sin(two *x)/(five *x^ two) = zero
2 multiply by (1 divide by (5 multiply by x)) multiply by co sinus of e of (2 multiply by x) minus sinus of (2 multiply by x) divide by (5 multiply by x squared ) equally 0
two multiply by (one divide by (five multiply by x)) multiply by co sinus of e of (two multiply by x) minus sinus of (two multiply by x) divide by (five multiply by x to the power of two) equally zero
2*(1/(5*x))*cos(2*x) - sin(2*x)/(5*x2) = 0
2*1/5*x*cos2*x - sin2*x/5*x2 = 0
2*(1/(5*x))*cos(2*x) - sin(2*x)/(5*x²) = 0
2*(1/(5*x))*cos(2*x) - sin(2*x)/(5*x to the power of 2) = 0
2(1/(5x))cos(2x) - sin(2x)/(5x^2) = 0
2(1/(5x))cos(2x) - sin(2x)/(5x2) = 0
21/5xcos2x - sin2x/5x2 = 0
21/5xcos2x - sin2x/5x^2 = 0
2*(1 divide by (5*x))*cos(2*x) - sin(2*x) divide by (5*x^2) = 0