Finding Trig Ratios

Front

What is the mnemonic to remember trigonometric ratios?

Back

Soh Cah Toa

Tags

CCSS.HSG.SRT.C.6

Front

Which side of a right triangle is the hypotenuse?

Back

The hypotenuse is the side opposite the right angle.

Front

If you have the hypotenuse and an adjacent side, which trigonometric function do you use?

Back

Cosine

Tags

CCSS.HSG.SRT.C.6

Front

What is the Pythagorean theorem formula for finding the hypotenuse?

Back

a² + b² = c²

Tags

CCSS.8.G.B.8

Front

How do you identify the hypotenuse in a right triangle?

Back

It's the side opposite the right angle.

Front

What does 'Soh' in Soh Cah Toa represent?

Back

Sine = Opposite / Hypotenuse

Tags

CCSS.HSG.SRT.C.8

Front

What does 'Cah' in Soh Cah Toa represent?

Back

Cosine = Adjacent / Hypotenuse

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Front

What does 'Toa' in Soh Cah Toa represent?

Back

Tangent = Opposite / Adjacent

Tags

CCSS.HSG.SRT.C.8

Front

In a right triangle, if angle A is 30 degrees, what is the sine of angle A?

Back

Sine(30°) = 1/2

Tags

CCSS.HSG.SRT.C.6

Front

In a right triangle, if angle A is 45 degrees, what is the cosine of angle A?

Back

Cosine(45°) = √2/2

Tags

CCSS.HSG.SRT.C.6