Trig Ratios

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 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 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 ratio of the length of the opposite side to the length of the adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

What is the mnemonic to remember the trigonometric ratios?

Back

Soh Cah Toa.

Tags

CCSS.HSG.SRT.C.8

Front

In a right triangle, if angle A is 30 degrees, what is sin(A)?

Back

1/2.

Tags

CCSS.HSG.SRT.C.6

Front

In a right triangle, if angle A is 45 degrees, what is tan(A)?

Back

1.

Tags

CCSS.HSG.SRT.C.7

Front

If the opposite side is 3 and the hypotenuse is 5, what is sin(A)?

Back

3/5.

Tags

CCSS.HSG.SRT.C.6

Front

If the adjacent side is 4 and the hypotenuse is 5, what is cos(A)?

Back

4/5.

Tags

CCSS.HSG.SRT.C.6

Front

If the opposite side is 6 and the adjacent side is 8, what is tan(A)?

Back

6/8 or 3/4.

Tags

CCSS.HSG.SRT.C.6