Trig Ratios - Sin Cos Tan

Front

What is the definition of sine in a right triangle?

Back

Sine (sin) is 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 definition of cosine in a right triangle?

Back

Cosine (cos) is 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 definition of tangent in a right triangle?

Back

Tangent (tan) is the ratio of the length of the opposite side to the length of the adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

Identify the opposite side in a right triangle with angle theta.

Back

The side opposite to angle theta.

Front

Identify the adjacent side in a right triangle with angle theta.

Back

The side next to angle theta that is not the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for sine?

Back

sin(theta) = opposite / hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for cosine?

Back

cos(theta) = adjacent / hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for tangent?

Back

tan(theta) = opposite / adjacent.

Tags

CCSS.HSG.SRT.C.8

Front

If you know the opposite side and hypotenuse, which trig function do you use?

Back

Sine.

Tags

CCSS.HSG.SRT.C.6

Front

If you know the adjacent side and hypotenuse, which trig function do you use?

Back

Cosine.

Tags

CCSS.HSG.SRT.C.6