SOHCAHTOA Intro

Front

What does SOH stand for?

Back

SOH stands for 'Opposite over Hypotenuse' in trigonometry.

Front

What does CAH stand for?

Back

CAH stands for 'Adjacent over Hypotenuse' in trigonometry.

Front

What does TOA stand for?

Back

TOA stands for 'Opposite over Adjacent' in trigonometry.

Front

How do you find sine of an angle?

Back

Sine of an angle (sin) is calculated as the ratio of the length of the opposite side to the length of the hypotenuse.

Front

How do you find cosine of an angle?

Back

Cosine of an angle (cos) is calculated as the ratio of the length of the adjacent side to the length of the hypotenuse.

Front

How do you find tangent of an angle?

Back

Tangent of an angle (tan) is calculated as the ratio of the length of the opposite side to the length of the adjacent side.

Front

If sinA = 0.5, what is the opposite side if the hypotenuse is 10?

Back

The opposite side is 5 (since 0.5 = opposite/10).

Front

If cosB = 0.6, what is the adjacent side if the hypotenuse is 20?

Back

The adjacent side is 12 (since 0.6 = adjacent/20).

Front

If tanC = 1, what is the ratio of opposite to adjacent?

Back

The ratio of opposite to adjacent is 1:1.

Front

Find sin(30 degrees).

Back

sin(30 degrees) = 0.5.