Trig Ratios-1

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 sine ratio 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 tangent ratio 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

What mnemonic helps remember the trigonometric ratios?

Back

Soh Cah Toa.

Tags

CCSS.HSG.SRT.C.8

Front

What is the cosine of angle P if the adjacent side is q and the hypotenuse is r?

Back

q/r.

Tags

CCSS.HSG.SRT.C.6

Front

What is the sine of angle X if the opposite side is opp and the hypotenuse is hyp?

Back

Opp/hyp.

Tags

CCSS.HSG.SRT.C.6

Front

Which side is adjacent to angle x in a right triangle with sides 1, 2, and 3?

Back

3.

Tags

CCSS.HSG.SRT.C.6

Front

If the opposite side is 5 and the adjacent side is 12, what is the tangent of the angle?

Back

5/12.

Tags

CCSS.HSG.SRT.C.6

Front

What is the relationship between sine and cosine for complementary angles?

Back

sin(90° - θ) = cos(θ).

Tags

CCSS.HSG.SRT.C.7

Front

How do you find the hypotenuse using the Pythagorean theorem?

Back

Hypotenuse = √(opposite² + adjacent²).

Tags

CCSS.8.G.B.8