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tan x
sinx/cosx
cot x
cosx/sinx
sec x
1/cosx
csc x
1/sinx
cot x
1/tanx
Pythagorean Identity
sin2x + cos2x = 1
0
cosx = 1, sinx = 0
π/6
cosx = sqrt3/2 sinx = 1/2
π/4
cosx = sqrt2/2 sinx = sqrt2/2
π/3
cosx = ½ sinx= sqrt3/2
π/2
cosx = 0 sinx = 1
π
cosx = -1 sinx = 0
3π/2
cosx = 0 sinx = -1
f’(x) tanx
sec(2)x
f’(x) cotx
-csc(2)x
f’(x) secx
secxtanx
f’(x) cscx
-cscxcotx
f’(x) logax
x/xlna
f’(x) a(x)
lna(a)*x
Note 
Flashcard (21)