Identify Sine, Cosine, and Tangent Ratio

Front

What is the sine ratio?

Back

The sine ratio (sin) is defined as the ratio of the length of the side opposite the angle to the length of the hypotenuse in a right triangle.

Tags

CCSS.HSG.SRT.C.6

Front

What is the cosine ratio?

Back

The cosine ratio (cos) is defined as the ratio of the length of the adjacent side to the length of the hypotenuse in a right triangle.

Tags

CCSS.HSG.SRT.C.6

Front

What is the tangent ratio?

Back

The tangent ratio (tan) is defined as the ratio of the length of the side opposite the angle to the length of the adjacent side in a right triangle.

Tags

CCSS.HSG.SRT.C.6

Front

If sin C = 28/35, what is the value of C?

Back

C can be found using the inverse sine function: C = sin^(-1)(28/35).

Tags

CCSS.HSG.SRT.C.8

Front

What is the formula to find the sine of an angle in a right triangle?

Back

sin(angle) = opposite side / hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula to find the cosine of an angle in a right triangle?

Back

cos(angle) = adjacent side / hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula to find the tangent of an angle in a right triangle?

Back

tan(angle) = opposite side / adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

In a right triangle, if the opposite side is 30 and the hypotenuse is 34, what is sin A?

Back

sin A = 30/34.

Tags

CCSS.HSG.SRT.C.6

Front

In a right triangle, if the adjacent side is 16 and the hypotenuse is 30, what is cos B?

Back

cos B = 16/30.

Tags

CCSS.HSG.SRT.C.6

Front

If the opposite side is 21 and the adjacent side is 28, what is tan C?

Back

tan C = 21/28.

Tags

CCSS.HSG.SRT.C.6