Identifying Trig Ratios Right Triangles

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

• sine

• cosine

• tangent

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

Find the length of the missing side. 

• 25 cm

• 42 cm

• 52 cm

• 48 cm

Find the length of the missing side. 

• 17 cm

• 22 cm

• 15 cm

• 13 cm

What is the length of side x?

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

What would you use to solve for a?

• sin

• cos

• tan

• Pythagorean theorem

What is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

What is the length of y in this picture?

• 45

• 5√2

• 90

• 5

What is the length of u and v in this 30-60-90 triangle?

• u = 8 v = 4√3

• u = 4√2 v = 8

• u = 16 v = 8

• u = 4√3 v = 8

Find the value of y.

• 9

• 18√2

• 9√2

• (9√2)/2