Right Triangle Trigonometry and Inverse Trigonometry

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 sinA. (Reduce the fraction)

Find the ratio for tanC. (Reduce the fraction)

• 36/27

• 4/3

• 3/4

• 3/5

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

Solve the triangle. Round measures of sides to the nearest tenth and angles to the nearest degree.

• A

• B

• C

• D

Which Trig function do you use?

• Sine

• Cosine

• Tangent

Set up the problem.

What trigonometric ratio would be used to find the distance from the ship to the plane?

• sine

• cosine

• tangent

• inverse sine

Find the measure of the indicated angle.

• 9.39

• 55.2

• 20.2

• 19.4