Intro to Right Triangle Trigonometry

What is the ratio for Sine?

• Hyp/Opp

• Opp/Hyp

• Opp/Adj

• Adj/Opp

Which side length is the hypotenuse?

• 20

• 29

• 21

• there is no hypotenuse

Find the value of sin X.

• 20/29

• 29/20

• 20/21

• 21/29

 Find cosC

• 16/34

• 16/30

• 30/34

• 34/16

In triangle ABC, BC =3 cm, AB =5 cm ,then tan A is 

• 3/5

• 4/5

• 3/4

• 4/3

Which is the correct set up to solve for x?

• sin 24 = x / 12

• cos 24 = x / 12

• tan 24 = x / 12

Which is the correct set up to solve for x?

• cos 55 = x / 29

• sin 55 = 29 / x

• tan 55 = 29 / x

• cos 29 = x / 55

 Find sinA

• 32/40

• 32/24

• 24/40

• 24/32

Set up the problem.

• sin(47) = x/28

• cos(47) = x/28

• tan(47) = x/28

• cos(47) = 28/x

In a right triangle, the acute angles have the relationship

sin (2x + 4) = cos (46).

What is the value of x?

• 20

• 21

• 24

• 25