Trig and Inverse Trig Functions

What is a common way to remember the definitions of the trig ratios?

• SAH COH TOA

• SOA COH TOA

• SOH CAH TOA

• ADJ OPP HYP

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

If you are given the opposite side and hypotenuse, which trig function should you use?

• sine
• cosine
• tangent
• cotangent

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Which is the correct ratio for the sine ratio?

• $\frac{adjacent\ }{hypotenuse}$

• $\frac{opposite\ }{hypotenuse}$

• $\frac{adjacent\ }{opposite\ }$

• $\frac{opposite\ }{adjacent\ }$

Tags

CCSS.HSF.TF.C.8

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Which is the correct ratio for the tangent ratio?

• $\frac{adjacent\ }{hypotenuse}$

• $\frac{opposite\ }{hypotenuse}$

• $\frac{adjacent\ }{opposite\ }$

• $\frac{opposite\ }{adjacent\ }$

Tags

CCSS.HSG.SRT.C.6

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.C.8

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What side is opposite  $\angle$ J?  

• 9

• 40

• 41

• none

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What is  $\cos A$  ?

•  $\frac{29}{20}$  

•  $\frac{21}{29}$  

•  $\frac{20}{29}$  

•  $\frac{21}{20}$  

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8