Right Triangle Trig and the Unit Circle

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

Identify the Positive angle in both radians and degrees that represent point D.

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 

sec x =

• 1/cosx

• 1/sinx

• 1/cscx

• 1/tanx

Find the measure of angle A.

Identify the Positive angle in both radians and degrees that represent point L.

Name the angle indicated by the graph in both radians and degrees.

Name the angle indicated by the graph in both radians and degrees.

Identify the Positive angle in both radians and degrees that represent point H.