Right Triangle Trigonometry

Front

What is the ratio for COS X?

Back

Adj/Hyp

Front

Find the ratio for cosA: 36/27. Reduce the fraction.

Back

3/5

Front

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

Back

41.1°

Front

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

Back

55.2°

Front

Choose the correct setup to find the length of the side x: sin(37)=x/14, cos(37)=x/14, tan(37)=x/14, sin(37)=14/x.

Back

cos(37)=x/14

Front

What is the definition of a right triangle?

Back

A triangle with one angle measuring 90 degrees.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the definition of sine (sin) in a right triangle?

Back

sin(θ) = Opposite side / Hypotenuse.

Front

What is the definition of cosine (cos) in a right triangle?

Back

cos(θ) = Adjacent side / Hypotenuse.

Front

What is the definition of tangent (tan) in a right triangle?

Back

tan(θ) = Opposite side / Adjacent side.