Inverse Trig Functions to Solve for Angles

What rule should you use to find the size of angle B?

• Sine

• Cosine

Sam 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^o

• 45^o

• 71^o

• 138^o

Choose the correct ratio.

• sin^-1(12/29)

• cos^-1(12/29)

• tan^-1(12/29)

• tan^-1(29/12)

Find the measure of the indicated angle (x). Round to the nearest tenth.

• 25.1^o

• 64.9^o

• 23.0^o

• 50.4^o

• cos^-1

• sin^-1

• tan

• tan^-1

• sin

cos

sin^-1

tan

tan^-1

cos^-1

• cos

• sin^-1

• tan

• tan^-1

• cos^-1

Find the measure of the indicated angle (?). Round to the nearest tenth.

• 29.3°

• 60.7°

• 39.2°

• 41.1°

• cos^-1

• tan^-1

• tan

• sin^-1

• sin

Find the measure of the indicated angle.

• 9.39

• 55.2

• 20.2

• 19.4

• cos^-1

• sin^-1

• tan

• tan^-1

• sin