Trig Ratio Basics

Front

What is the definition of a trigonometric ratio?

Back

A trigonometric ratio is a ratio of the lengths of two sides of a right triangle. The primary trigonometric ratios are sine, cosine, and tangent.

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CCSS.HSG.SRT.C.6

Front

What is the sine ratio?

Back

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CCSS.HSG.SRT.C.6

Front

What is the cosine ratio?

Back

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CCSS.HSG.SRT.C.6

Front

What is the tangent ratio?

Back

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CCSS.HSG.SRT.C.6

Front

What is the hypotenuse in a right triangle?

Back

The hypotenuse is the longest side of a right triangle, opposite the right angle.

Front

If the opposite side is 3 and the hypotenuse is 5, what is the sine ratio?

Back

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CCSS.HSG.SRT.C.6

Front

If the adjacent side is 4 and the hypotenuse is 5, what is the cosine ratio?

Back

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CCSS.HSG.SRT.C.6

Front

If the opposite side is 3 and the adjacent side is 4, what is the tangent ratio?

Back

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CCSS.HSG.SRT.C.6

Front

What is the Pythagorean theorem?

Back

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CCSS.8.G.B.8

Front

How do you find the length of the hypotenuse using the Pythagorean theorem?

Back

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CCSS.8.G.B.8