Setting Up Right Triangle Trig Ratios

Which ratio represents the cos(θ)?

• x/y

• x/z

• y/x

• y/z

Find tan(θ).

• tan(θ) = 5/13

• tan(θ) = 12/13

• tan(θ) = 12/5

• tan(θ) = 5/12

What is tan(A)?

• a/c

• b/c

• a/b

• b/a

Find sinA

• 32/40

• 32/24

• 24/40

• 24/32

Find sin C
 

• 21/35

• 28/21

• 35/28

• 28/35

Find sinA

• 32/40

• 32/24

• 24/40

• 24/32

Find the ratio for cosA. (Reduce the fraction)

• 36/27

• 4/5

• 27/45

• 3/5

Find the value of the trig function indicated.

Right triangle ABC is shown. Select all expressions which are equal to the length of side BC.

Find the value of the trig function indicated.

• 2