Trig Ratios Practice

Front

What are the three primary trigonometric ratios?

Back

Sine (sin), Cosine (cos), Tangent (tan).

Tags

CCSS.HSG.SRT.C.6

Front

What does the sine ratio represent in a right triangle?

Back

The sine of an angle is the ratio of the length of the opposite side to the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What does the cosine ratio represent in a right triangle?

Back

The cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What does the tangent ratio represent in a right triangle?

Back

The tangent of an angle is the ratio of the length of the opposite side to the length of the adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

How can you remember the trigonometric ratios?

Back

Use the mnemonic 'Soh Cah Toa': Soh = sin = opposite/hypotenuse, Cah = cos = adjacent/hypotenuse, Toa = tan = opposite/adjacent.

Tags

CCSS.HSG.SRT.C.6

Front

If sin(37) = x/14, how do you solve for x?

Back

Multiply both sides by 14: x = 14 * sin(37).

Tags

CCSS.HSG.SRT.C.8

Front

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

Back

Multiply both sides by 14: x = 14 * cos(37).

Tags

CCSS.HSG.SRT.C.8

Front

What is the value of sin(45 degrees)?

Back

sin(45 degrees) = @@rac{ oot{2}}{2}@@.

Tags

CCSS.HSG.SRT.C.7

Front

What is the value of cos(45 degrees)?

Back

cos(45 degrees) = @@rac{ oot{2}}{2}@@.

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