Intro to Simple Trig Ratios

What is the ratio for Tangent

• Opp/Adj

• Adj/Opp

• Opp/Hyp

• Hyp/Opp

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

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

Match the trigonometric expression to the correct ratio using the diagram.

• tan(Q)

• p/q

• sin(P)

• p/r

• cos(P)

• q/p

• tan(P)

• q/r

Match the following

• Between 11cm and 14cm

• Tan X

• Tan Z

• Average height of a squirrel

• Cos Z

• Sin Z

• opposite

• hypotenuse

• adjacent

• squirrel

Match each to it's correct ratio.

• 15/8

• Sin Q

• 8/17

• None of these

• 8/15

• Cos Q

• 15/17

• Tan Q

What is the correct ratio?

• 9/41

• 40/41

• 9/40

• 40/9

Match each ratio.

• 17/15

• Tan C

• 8/15

• Sin C

• 8/17

• None of these

• 15/17

• Cos C

cos B = ? Remember: Cosine ratio is adjacent/hypotenuse

• 12/13

• 12/5

• 5/13

• 5/12

In a right triangle, while 10 degree angle's ​ (a)   ratio is 0.985 , 80 degree angle's ​ (b)   ratio is ​ 0.985. Because they are ​ (c)   angles. The one angle's adjacent leg is another one's ​ (d)  

• Adjacent Leg/ Hypotenuse

• Opposite Leg/Hypotenuse

• complementary

• opposite leg