Trig Identities& Integrals

Identity of tan x

sin x / cos x

identity of cot x

cos x / sin x

Identities of sin, cos, tan, csc, sec, cot

sin = 1/csc, cos = 1/sec, tan = 1/cot

Sin and Cos identity

sin² x + cos² x = 1

Sec and Tan identity

sec² x - tan² x = 1

Csc and Cot identity

csc² x - cot² x = 1

sin² identity

sin² x = (1-cos(2x))/2

cos² identity

cos² x = (1+cos(2x))/2

Integral of sec² x dx

tan x + c

Integral of csc² x dx

-cot x + c

Integral of cos x dx

sin x + c

Integral of sin x dx

-cos x + c

Integral of (sec x)(tan x)dx

sec x + c

Integral of(csc x)(cot x) dx

-csc x + c

Integral of tan²x

tan x - x

Integral of cot² x

-cot x - x

Derivative of tan x

sec² x

Derivative of sec x

sec x tan x

Integral of tan x

ln |sec x| or -ln |cos x|