Sine and Cosine in Right Triangles

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CCSS.HSG.SRT.C.6

What is Sin A?

Write your answer as a fraction.

Mathematical Equivalence

ON

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CCSS.HSG.SRT.C.6

The ratio in a right triangle of adjacent to hypotenuse is _____

• sine

• cosine

• tangent

• hypotenuse

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CCSS.HSG.SRT.C.6

What is the ratio for Sine?

• Hypotenuse/Opposite

• Opposite/Hypotenuse

• Opposite/Adjacent

• Adjacent/Opposite

Tags

CCSS.HSG.SRT.C.6

What is the ratio for Cosine?

• Opposite/Hypotenuse

• Opposite/Adjacent

• Adjacent/Opposite

• Adjacent/Hypotenuse

Tags

CCSS.HSG.SRT.C.6

If you are given the length of a hypotenuse and the length of an adjacent side, what trigonometry ratio could you use .

• sine

• cosine

• tangent

• trigonometry

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CCSS.HSG.SRT.C.6

What is the adjacent side to <D?

• EF

• DF

• DE

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CCSS.HSG.SRT.C.6

What is the green side labelled as from the starred angle?

• adjacent

• opposite

• hypotenuse

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CCSS.HSG.CO.C.11

Set up an equation that could be used to solve for the variable.

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Tags

CCSS.HSG.SRT.C.8

Set up an equation that could be used to solve for the variable.

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• 

Tags

CCSS.HSG.SRT.C.8