Right Triangle Trig and Unit Circle

What is the reference angle for 240°?

• 60°

• 30°

• 45°

• 210°

What is the value of x?

• 17.30

• 11.33

• 0.06

• 23.82

Tags

CCSS.HSG.SRT.C.8

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

Tags

CCSS.HSG.SRT.C.6

Find the measure of angle A.

Tags

CCSS.HSG.SRT.C.8

Tags

CCSS.HSG.SRT.C.6

What is the value of x?

• 9.17

• 98.13

• 0.11

• 26.69

Tags

CCSS.HSG.SRT.C.8

Find the measure of the indicated angle.

Tags

CCSS.HSG.SRT.C.8

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 

Tags

CCSS.HSG.SRT.C.8

sec x =

• 1/cosx

• 1/sinx

• 1/cscx

• 1/tanx

Tags

CCSS.HSF.TF.A.2

What side is OPPOSITE of angle C?

• 7

• 25

• 24