Math: Trigonometry vocab

even function

even function

f(x)=f(-x)

odd function

-f(x)=f(-x)

sum of roots

-b/a

product of roots

c/a

vertical reflection

y=f(-x)

horizontal reflection

y=-f(x)

horizontal stretch

y=f(qx)

vertical stretch

y=pf(x)

horizontal translation

y=f(x-a)

vertical translation

y=f(x)+b

radians formula

degrees * π/180

tan 60

√3

tan 45

1

tan 30

1/√3

tan 0

0

cos 90

0

cos 60

½

cos 45

√2/2

cos 30

√3/2

cos 0

1

sin 90

1

sin 60

√3/2

sin 45

√2/2

sin 30

½

sin 0

0

cotangent

1/tan, A/O

cosecant

1/sin, H/O

secant

1/cos, H/A

formula for radians

degrees x π/180

formula for degrees

radians x 180/π

period

2π/b

amplitude

(max-min)/2

principal axis

(max+min)/2

cosec²θ

1 + cot²θ

sec²θ

1 + tan²θ

sin(-θ)

-sinθ

cos(-θ)

cosθ

sin(π-θ)

sinθ

cos(π-θ)

-cosθ

sin((π/2)-θ)

cosθ

cos((π/2)-θ)

sinθ

vertical asymptote

-d/c

vertical asymptote

a if + a, or a/c