Intro to trig functions

cos(θ) =

• 1/sec(θ)

• r/x

• x/r

• csc(θ)

Tags

CCSS.HSF.TF.A.2

sin(θ)=

• sec(θ)

• 1/csc(θ)

• y/r

• r/y

Tags

CCSS.HSF.TF.A.2

sec(θ)=

• 1/sin(θ)

• 1/cos(θ)

• 1/csc(θ)

• cos(θ)

Tags

CCSS.HSF.TF.A.2

csc(θ)=

• 1/sec(θ)

• 1/sin(θ)

• 1/cos(θ)

• 1/cot(θ)

Tags

CCSS.HSF.TF.A.4

The trig function expression as the ratio of the hypotenuse of a triangle to the side length opposite a given angle is

• secant

• sine

• cosine

• cosecant

Tags

CCSS.HSG.SRT.C.6

The trig function expressed as the ratio x/y is

• tangent

• cotangent

• secant

• sine

Tags

CCSS.HSF.TF.A.2

tan(θ)=

• y/x

• cot(θ)

• sin(θ)/cos(θ)

• 1/cot(θ)

Tags

CCSS.HSF.TF.A.2

sec(θ)=

• x/r

• r/x

• y/r

• r/y

Tags

CCSS.HSG.SRT.C.6

csc(θ)=

• x/r

• r/x

• y/r

• r/y

Tags

CCSS.HSF.TF.A.2

the ratio of the cosine value of an angle to the sine value of an angle is given by

• the tangent value

• the cotangent value

• the secant value

• the cosecant value

Tags

CCSS.HSG.SRT.C.7