P1: 8.3 Trig Review

Which Trig function do you use?

• Sine
• Cosine
• Tangent

Find the ratio for sinA. (Reduce the fraction)

• 36/27
• 4/5
• 36/45
• 3/5

Solve for x. Round to the nearest tenth.

• 9.8
• 0.1
• 0.038
• 9.9

Find tan C (Reduce the fraction)

• 3/4

• 28/21

• 21/35

• 4/3

Solve for x. Round to the nearest tenth.

• 74.9
• 3.6
• 63.5
• 54.1

For the picture above, what is the best choice below for the type of side in relation to the given angle?

• opposite

• adjacent

• hypotenuse

• right angle

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

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 yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is nearest to the height of the lighthouse? 

• 25 feet
• 45 feet 
• 110 feet 
• 135 feet 

A hawk sitting on a tree branch spots a mouse on the ground 15 feet from the base of the tree.  The hawk swoops down toward the mouse at an angle of 30 degrees. What is the distance from the tree branch to the mouse? 

• 7.5 ft 
• 15 ft 
• 26 ft 
• 30 ft