Sine, Cosine, and Tangent

Front

What is the value of cos(21) rounded to the nearest thousandth?

Back

0.934

Front

What is the cosine ratio in a right triangle?

Back

cos(θ) = adjacent side / hypotenuse

Front

What does CAH stand for in trigonometry?

Back

CAH stands for Cosine = Adjacent / Hypotenuse.

Front

What is the value of sin(C) if it is given as 9/41?

Back

sin(C) = 9/41

Front

What is the acronym used to remember the trigonometric ratios?

Back

SOHCAHTOA

Front

What does SOH stand for in trigonometry?

Back

SOH stands for Sine = Opposite / Hypotenuse.

Front

What does TOA stand for in trigonometry?

Back

TOA stands for Tangent = Opposite / Adjacent.

Front

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

Back

Sine = Opposite side / Hypotenuse.

Front

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

Back

Tangent = Opposite side / Adjacent side.

Front

If cos(37) = x/14, how can you solve for x?

Back

x = 14 * cos(37).