x^n = n x^(n-1)

e^x = e^x

b^x = b^x * ln(b)

ln(x) = 1/x

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sin(x) = cos(x)	cos(x) = -sin(x)	tan(x) = sec^2(x)
csc(x) = -csc(x) cot(x)	sec(x) = sec(x) tan(x)	cot(x) = -csc^2(x)
asin(x) = 1 / (1 - x^2)	acos(x) = -1 / (1 - x^2)	atan(x) = 1 / (1 + x^2)
sinh(x) = cosh(x)	cosh(x) = sinh(x)	tanh(x) = 1 - tanh(x)^2
csch(x) = -coth(x)csch(x)	sech(x) = -tanh(x)sech(x)	coth(x) = 1 - coth(x)^2