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• Integral Step by Step
• Derivative Step by Step
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• Identical expressions

• -sin(x) + cos(x) = zero
• minus sinus of (x) plus co sinus of e of (x) equally 0
• minus sinus of (x) plus co sinus of e of (x) equally zero
• -sinx + cosx = 0

• Similar expressions

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