Find Missing Angles and Sides Using Trigonometry

A tourist views a deer from a height of 45 feet.  The horizontal distance between the tourist and the deer is 130 feet.  At what angle (x) should the tourist hold his camera to photograph the deer? Round your answer to the nearest degree.  

• 19 degrees

• 45 degrees

• 71 degrees

• 138 degrees 

Solve for the missing angle.

• 50.2

• 93.1

• 12.6

• 42.2

Solve for x. Round to the nearest tenth.

• 103.5

• 4.7

• 55.0

• 23.4

Find the measure of the indicated angle.

• 9.39

• 55.2

• 20.2

• 19.4

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

A skateboarding ramp is 12 inches high and rises at an angle of 17°. How long is the base of the ramp to the nearest tenth?

What can you find with trig ratios (sin, cos, tan)?

• Missing sides

• missing angles

• area of a triangle

• missing sides, angles and area of a triangle

If you are given the hypotenuse and an adjacent side, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

What can you find with trig ratios?

• Missing sides

• missing angles

• area of a triangle

• missing sides, angles and area of a triangle

Find the measure of the indicated angle.

• 38

• 40

• 50

• 26