Trig Ratios

Front

What is the definition of Trigonometry?

Back

Trigonometry is a branch of mathematics that studies the relationships between the angles and sides of triangles, particularly right triangles.

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CCSS.HSG.SRT.C.7

Front

What are the three primary trigonometric ratios?

Back

Sine, Cosine, and Tangent.

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CCSS.HSG.SRT.C.6

Front

Define Sine in terms of a right triangle.

Back

Sine (sin) of an angle is the ratio of the length of the opposite side to the length of the hypotenuse.

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CCSS.HSG.SRT.C.6

Front

Define Cosine in terms of a right triangle.

Back

Cosine (cos) of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse.

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CCSS.HSG.SRT.C.6

Front

Define Tangent in terms of a right triangle.

Back

Tangent (tan) of an angle is the ratio of the length of the opposite side to the length of the adjacent side.

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CCSS.HSG.SRT.C.6

Front

What is the formula for Sine?

Back

Sine = Opposite / Hypotenuse.

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CCSS.HSG.SRT.C.6

Front

What is the formula for Cosine?

Back

Cosine = Adjacent / Hypotenuse.

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CCSS.HSG.SRT.C.6

Front

What is the formula for Tangent?

Back

Tangent = Opposite / Adjacent.

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CCSS.HSG.SRT.C.8

Front

If the hypotenuse is 10 and the opposite side is 6, what is the Sine of the angle?

Back

Sine = 6 / 10 = 0.6.

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CCSS.HSG.SRT.C.6

Front

If the hypotenuse is 10 and the adjacent side is 8, what is the Cosine of the angle?

Back

Cosine = 8 / 10 = 0.8.

Tags

CCSS.HSG.SRT.C.6