Equations
Angles that stop at the same spot
Coterminal Angles
Cos (α + β)=
cos α cos β - sin α sin β
tanθ =
sinθ / cosθ
S shaped line graph starting from 0
graph of sine
phase shift equation
C/B
Leg2+leg2=hypotenuse2
Pythagorean theorem
sin (α+ β)=
sin α cos β + cos α sin β
cotθ=
cosθ/sinθ
S shaped graph (does not start at 0)
graph of Cosine
Period equation
2π/B
cot2θ + 1 =
csc2θ
2sinθcosθ=
sin(2θ)
1/sinθ =
cscθ
odd function, symmetric to the origin (is a graph)
y= tan x
max-min= __
__/2
Amplitude
which group does tan2θ + 1 = sec2θ belong to
pythagorean identities
tan α + tan β / 1- tanα tan β
tan (α + β)=
cos (π/2-θ) =
sin(θ)
all real #'s except intergal multiples of π and is an odd function (range =all real numbers)
y= cot x
Max+min= sum
sum/2
cotθ=
(reciprocal identities)
1/tanθ
+ - square root of (1-cosα / 2)
sin (α/2) =
sin2θ + cos2θ =
1
all real #'s exept intergal multiples of π
y = csc x
A sin/cos (Bm-C) +D
Trigonometric Function