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• Integral Step by Step
• Derivative Step by Step
• Equation systems Step by Step

• Identical expressions

• x*(-x*sin(x) + three *cos(x)) = zero
• x multiply by ( minus x multiply by sinus of (x) plus 3 multiply by co sinus of e of (x)) equally 0
• x multiply by ( minus x multiply by sinus of (x) plus three multiply by co sinus of e of (x)) equally zero
• x(-xsin(x) + 3cos(x)) = 0
• x-xsinx + 3cosx = 0

• Similar expressions

• x*(-x*sin(x) - 3*cos(x)) = 0
• x*(x*sin(x) + 3*cos(x)) = 0
• x*(-x*sinx + 3*cosx) = 0