Trigonometric Ratios Flashcard

Front

What are the three sides of a right triangle called in relation to an angle θ?

Back

Opposite, Adjacent, and Hypotenuse.

Front

In a right triangle, what is the side opposite to angle θ called?

Back

Opposite side.

Front

What is the side adjacent to angle θ in a right triangle?

Back

Adjacent side.

Front

What is the longest side of a right triangle called?

Back

Hypotenuse.

Front

If angle A is 30 degrees, what is the side opposite to angle A in a right triangle?

Back

The side opposite to angle A is called the opposite side.

Front

How do you identify the opposite side in a right triangle?

Back

The opposite side is the side that does not touch the angle in question.

Front

What is the relationship between the opposite side and the hypotenuse in a right triangle?

Back

The opposite side is shorter than the hypotenuse.

Front

What is the formula for finding the sine of an angle in a right triangle?

Back

Sine(θ) = Opposite / Hypotenuse.

Front

What is the formula for finding the cosine of an angle in a right triangle?

Back

Cosine(θ) = Adjacent / Hypotenuse.

Front

What is the formula for finding the tangent of an angle in a right triangle?

Back

Tangent(θ) = Opposite / Adjacent.