Trig Ratios

Set up the problem so that you can solve for X.

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

Solve for the missing angle

• 50.5 degrees

• 12.7 degrees

• 36.9 degrees

• 72.2 degrees

Solve for x. Round to the nearest tenth.

• 15.3

• 16.6

• 24.1

• 24.3

A ramp is being built next to a 4-inch high sidewalk. The ramps angle of inclination is 10 degrees.  Estimate the length of the ramp to the nearest tenth of an inch. 

• 4.1 inches

• 3.9 inches

• 22.7 inches 

• 0.7 inches 

Solve for x and y in the special right triangle.

• y = 4, x = 4√3

• y = 4√2, x = 4√2

• y = 4 x = 12

• y = 8/√3, x = 16/√3

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

• .4706

• 1.875

• .8824

• .5333

Find x round to the nearest tenth.

• 46.1

• 4.9

• 73.5

• 68.6

Solve for x. Round to the nearest tenth.

• 44.0

• 41.4

• 1.2

• 1.0

Solve for x. Round to the nearest tenth.

• 103.5

• 4.7

• 55.0

• 23.4

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9