Sine and Cosine Introduction

We can use SOH-CAH-TOA for...

• Any triangle ever
• Non-right triangles only
• Right Triangles only
• Never

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What is the side across from the right angle called?

• Leg
• Pythagoras
• Hypotenuse
• Altitude

Tags

CCSS.HSG.SRT.C.8

What is the cosine of angle P?

• p/q
• q/r
• p/r
• r/q

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

 Find sinA

• 32/40
• 32/24
• 24/40
• 24/32

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What is the sine ratio?

• $\frac{opposite}{hypotenuse}$
  

• $\frac{adjacent\ }{hypotenuse}$

• $\frac{opposite\ }{adjacent}$

• $\frac{hypotenuse}{opposite}$

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What is the cosine ratio?

•  $\frac{opposite}{hypotenuse}$  

• $\frac{adjacent\ }{hypotenuse}$

• $\frac{opposite\ }{adjacent}$

•  $\frac{hypotenuse}{adjacent}$ 

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Which side is the hypotenuse?

• AB

• BC

• AC

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What is  $\sin\left(A\right)$  ?

•  $\frac{8}{10}$  

•  $\frac{6}{10}$  

•  $\frac{6}{8}$  

•  $\frac{8}{6}$  

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Relative to  $\angle G$ , which side is the adjacent side?

•  $EM$  

•  $EG$  

•  $MG$  

• none of the above

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

With respect to  $\angle C$  what do you call  $AB$  ?

• longest side

• hypotenuse

• adjacent side

• opposite side

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8