AP Calculus
Definition of derivative
lim h->0 f(x+h)-f(x)/h
Derivative at a point
lim x->c f(x)-f(c)/x-c
Alternate Form of the Derivative
f'(c) = lim x->c (f(x)-f(c))/(x-c)
Equation of the tangent line
y-f(a) = f'(a)(x-a)
Derivative Power Rule
d/dx x^n = nx^n-1
Sinθ
opposite/hypotenuse
Cosθ
adjacent/hypotenuse
Tanθ
Opposite/Adjacent
π/3
(1/2,√3/2)
π/4
(√2/2,√2/2)
π/6
(√3/2,1/2)
π
(-1,0)
0
(1,0)
cosecantθ
1/sinθ
secantθ
1/cosθ
cotanθ
cosθ/sinθ
y’[tan x]
sec²x
y’[sec x]
secx tanx
y’[cot x]
-csc²x
y’[csc]
-cscxcotx
csc²x
1+cot²x
sec²x
tan²x+1