BASIC Trig finding sides

Front

What is the definition of the cosine function in a right triangle?

Back

The cosine function is the ratio of the length of the adjacent side to the length of the hypotenuse.

Front

What is the definition of the sine function in a right triangle?

Back

The sine function is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

What is the definition of the tangent function in a right triangle?

Back

The tangent function is the ratio of the length of the opposite side to the length of the adjacent side.

Front

How do you classify a triangle with angles measuring 90°, 45°, and 45°?

Back

It is classified as a right triangle.

Front

How do you classify a triangle with angles measuring 100°, 40°, and 40°?

Back

It is classified as an obtuse triangle.

Front

How do you classify a triangle with angles measuring 60°, 60°, and 60°?

Back

It is classified as an acute triangle.

Front

What is the ratio for COS X?

Back

The ratio for COS X is Adjacent/Hypotenuse.

Front

What is the ratio for SIN X?

Back

The ratio for SIN X is Opposite/Hypotenuse.

Front

What is the ratio for TAN X?

Back

The ratio for TAN X is Opposite/Adjacent.

Front

If the adjacent side is 3 and the hypotenuse is 5, what is COS X?

Back

COS X = 3/5 = 0.6.