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lim
h→0
f(a+h)-f(a)/h
lim
x→a
f(x)-f(a)/x-a
d/dx sinx
cosx
d/dx cosx
-sinx
d/dx logb(f(x))
1/f(x)ln(b).(f’(x))
d/dx ln(f(x))
f’(x)/f(x)
d/dx ln(x)
1/x
d/dx a^f(x)
a^f(x).ln(a).f’(x)
d/dx e^f(x)
e^f(x).f’(x)
d/dx tanx
sec²x
d/dx cscx
-cscx cotx
d/dx secx
secx tanx
d/dx cotx
-csc²x
d/dx sin⁻¹x
1/ √1-x²
d/dx cos⁻¹x
-1/√1-x²
d/dx tan⁻¹x
1/1+x²
tangent line equation
y-f(x)=f’(x)(x-x)