Right Triangle Trig and Unit Circle

Find the ratio for sinA. (Reduce the fraction)

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft

• 65 ft

• 74 ft

• 87 ft

A 16 foot ladder leans against a building.  If the angle the ladder makes with the ground is 68°, how high up the building does the ladder reach?

• 39.6

• 6.0

• 14.8

• 13.6

Find the ratio for tanC. (Reduce the fraction)

• 36/27

• 4/3

• 3/4

• 3/5

Which Trig function do you use?

• Sine

• Cosine

• Tangent

Relative to angle B, what is side AB?

• Opposite

• Adjacent

• Hypotenuse

Relative to angle B, what is side AC?

• Opposite

• Adjacent

• Hypotenuse

Which would you use to solve for the missing piece?

A 30 ft. wire stretches from the top of a light pole diagonally to the ground. The light pole is 10 feet high. What is the angle the wire makes with the ground?

• 66 degrees

• 80 degrees

• 30 degrees

• 19 degrees