Special Right Triangles and Trig Ratios

Choose the correct value for \sin\ X.

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CCSS.HSG.SRT.C.6

Choose the correct value for \tan\ Z

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CCSS.HSG.SRT.C.6

What is the correct equation for this diagram?

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CCSS.HSG.SRT.C.6

Solve for x.

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

• 8.08 cm

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CCSS.HSG.SRT.C.8

Which Trig function should you use?

• Sine

• Cosine

• Tangent

• None of these

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CCSS.HSG.SRT.C.6

Evaluate without a calculator: sin 45°

• √2

• √2 /2

• 1/2

• √3/2

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CCSS.HSG.SRT.C.7

Evaluate without a calculator: tan 45°

• √2/2

• √3

• 1

• √3/3

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CCSS.HSG.SRT.C.7

Evaluate without a calculator: sec 60°

• 2

• √3

• 2√3 /3

• √2

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CCSS.HSF.TF.A.2

Evaluate without a calculator: sin 30°

• √2

• √2 /2

• 1/2

• √3/2

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CCSS.HSG.SRT.C.7

Find cos30⁰

• √3

• √3/3

• √3/2

• 1/2

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CCSS.HSG.SRT.C.7