tan a − csc atan\:a\:-\:csc\:atana−csca
cos(x)=0.707106781\cos\left(x\right)=0.707106781cos(x)=0.707106781
2x+y−z=202x+y-z=202x+y−z=20
y2x+13x\frac{y}{2x}+\frac{1}{3x}2xy+3x1
−9x=−5x-9x=-5x−9x=−5x
−ln(x+1)−ln(x)x+1+ln(x)-ln\left(x+1\right)-\frac{ln\left(x\right)}{x+1}+ln\left(x\right)−ln(x+1)−x+1ln(x)+ln(x)
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