Trig

Simplify (secx-1)(secx+1)

• tan²x
• sinx
• cot²x
• cosx

Simplify tanxcotx-cos²x

• tanx
• cotx
• sin²x
• cos²x

Which one is the easy way to remember trigonometric ratios?

• Sah Coh Toa
• Soh Cah Toa
• Soh Cah Tao
• Soh Ceh Toa

Tags

CCSS.HSG.SRT.C.6

*

• cos x
• csc x
• sec x
• cot x

*

• csc x
• sec x
• cot x
• tan x

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

*

• csc² x
• cot² x
• sin² x
• sec² x

Simplify.

• sin²θ
• cosθ
• tanθ
• 1- sin²θ

Simplify.

• csc²θ
• sec²θ
• cscθ
• 1

Simplify.

• sinθ
• cos²θ
• sin²θ
• 1- sin²θ

Write the following expression as the sine, cosine, or tangent of an angle.
cos(175)cos(55)+sin(175)sin(55)

• sin(120)
• cos(120)
• cos(230)
• sin(230)

Tags

CCSS.HSF.TF.C.9