Sine, Cosine, & Tangent Review

Front

What is the sine function in a right triangle?

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

What is the cosine function in a right triangle?

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

What is the tangent function in a right triangle?

Back

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

Tags

CCSS.HSG.SRT.C.6

Front

How do you solve for a side using the sine function?

Back

To solve for a side using the sine function, use the equation: sin(angle) = opposite/hypotenuse.

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Front

What is the formula to find the length of the hypotenuse using sine?

Back

The formula is: hypotenuse = opposite/sin(angle).

Tags

CCSS.HSG.SRT.C.8

Front

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

Back

The relationship is: tan(angle) = sin(angle)/cos(angle).

Tags

CCSS.HSG.SRT.C.7

Front

What is the value of sin(30 degrees)?

Back

sin(30 degrees) = 0.5.

Tags

CCSS.HSG.SRT.C.7

Front

What is the value of cos(60 degrees)?

Back

cos(60 degrees) = 0.5.

Tags

CCSS.HSG.SRT.C.7

Front

What is the value of tan(45 degrees)?

Back

tan(45 degrees) = 1.

Tags

CCSS.HSG.SRT.C.7

Front

How do you find the angle if you know the opposite and adjacent sides?

Back

Use the tangent function: angle = arctan(opposite/adjacent).

Tags

CCSS.HSG.SRT.C.8