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• Identical expressions

• (two *x + one)*cos(x)/ two + sin(x) = zero
• (2 multiply by x plus 1) multiply by co sinus of e of (x) divide by 2 plus sinus of (x) equally 0
• (two multiply by x plus one) multiply by co sinus of e of (x) divide by two plus sinus of (x) equally zero
• (2x + 1)cos(x)/2 + sin(x) = 0
• 2x + 1cosx/2 + sinx = 0
• (2*x + 1)*cos(x) divide by 2 + sin(x) = 0

• Similar expressions

• (2*x - 1)*cos(x)/2 + sin(x) = 0
• (2*x + 1)*cos(x)/2 - sin(x) = 0
• (2*x + 1)*cosx/2 + sinx = 0