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• Identical expressions

• - three *sin(x) - four *cos(x) = zero
• minus 3 multiply by sinus of (x) minus 4 multiply by co sinus of e of (x) equally 0
• minus three multiply by sinus of (x) minus four multiply by co sinus of e of (x) equally zero
• -3sin(x) - 4cos(x) = 0
• -3sinx - 4cosx = 0

• Similar expressions

• 3*sin(x) - 4*cos(x) = 0
• -3*sin(x) + 4*cos(x) = 0
• -3*sinx - 4*cosx = 0