Trig Ratios - SOH CAH TOA

Front

What does SOH stand for in trigonometry?

Back

SOH stands for Sine = Opposite / Hypotenuse.

Front

What does CAH stand for in trigonometry?

Back

CAH stands for Cosine = Adjacent / Hypotenuse.

Front

What does TOA stand for in trigonometry?

Back

TOA stands for Tangent = Opposite / Adjacent.

Front

How do you calculate the sine of an angle in a right triangle?

Back

Sine of an angle = Length of the opposite side / Length of the hypotenuse.

Front

How do you calculate the cosine of an angle in a right triangle?

Back

Cosine of an angle = Length of the adjacent side / Length of the hypotenuse.

Front

How do you calculate the tangent of an angle in a right triangle?

Back

Tangent of an angle = Length of the opposite side / Length of the adjacent side.

Front

What is the relationship between sine, cosine, and tangent?

Back

Tangent can be expressed as the ratio of sine to cosine: Tangent = Sine / Cosine.

Front

What is the sine of a 30-degree angle?

Back

The sine of a 30-degree angle is 0.5.

Front

What is the cosine of a 60-degree angle?

Back

The cosine of a 60-degree angle is 0.5.

Front

What is the tangent of a 45-degree angle?

Back

The tangent of a 45-degree angle is 1.