Flashcard--Trig Ratios

Front

Ratio for COS X

Back

Adj/Hyp

Front

Choose the correct ratio to find x. Options: cos(33)=x/14, sin(33)=x/14, cos(33)=14/x, sin(33)=14/x

Back

sin(33)=x/14

Front

How do you know which side is the HYPOTENUSE?

Back

It is opposite the right angle

Front

Find the measurement of the missing side indicated.

Back

5.98

Front

Ratio for SIN X

Back

Opp/hyp

Front

A yacht is anchored 90 feet offshore from the base of a lighthouse. The angle of elevation from the boat to the top of the lighthouse is 26 degrees. The distance between the yacht and the top of the lighthouse is about 100 feet. What is the height of the lighthouse?

Back

45 feet

Front

Ratio for TAN X

Back

Opp/Adj

Front

Solve for x. Round to the nearest tenth.

Back

9.9

Front

Estimate the height of the tree using the diagram.

Back

87 ft

Front

Solve for the missing angle

Back

36.9 degrees