Finding Sides using Trig Ratios

Front

What is the ratio for Cosine?

Back

Tags

CCSS.HSG.SRT.C.6

Front

What is the ratio for Sine?

Back

Tags

CCSS.HSG.SRT.C.6

Front

What is the ratio for Tangent?

Back

Tags

CCSS.HSG.SRT.C.6

Front

How do you find the missing side in a right triangle using Trig Ratios?

Back

You can use the sine, cosine, or tangent ratios depending on the sides you know. For example, if you know the angle and the hypotenuse, use sine or cosine to find the opposite or adjacent side.

Tags

CCSS.HSG.SRT.C.8

Front

If sin(θ) = 0.5, what is the angle θ?

Back

The angle θ is 30 degrees.

Tags

CCSS.HSG.SRT.C.7

Front

If cos(θ) = 0.8, what is the angle θ?

Back

The angle θ is approximately 36.87 degrees.

Tags

CCSS.HSG.SRT.C.8

Front

If tan(θ) = 1, what is the angle θ?

Back

The angle θ is 45 degrees.

Tags

CCSS.HSG.SRT.C.7

Front

What is the Pythagorean theorem?

Back

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CCSS.8.G.B.8

Front

How do you calculate the length of the hypotenuse?

Back

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CCSS.8.G.B.8

Front

What is the sine of a 90-degree angle?

Back

The sine of a 90-degree angle is 1.

Tags

CCSS.HSG.SRT.C.7