Special Right Triangle and Trigonometric Ratio

Evaluate tan(30°), without the use of a calculator.

Tags

CCSS.HSG.SRT.C.7

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CCSS.HSG.SRT.C.6

Find each trig ratio.

sin D = ​ (a)  

cos D = ​ (b)  

tan D = ​ (c)  

• 20/29

• 21/29

• 20/21

• 29/20

• 29/21

• 21/20

Tags

CCSS.HSG.SRT.C.6

Give each trig ratio as a fraction in simplest form for the given right triangle diagram.

sin R - ​ (a)  

cos R - ​ ​ (b)  

tan R - ​​ ​ (c)  

• 25/24

• 24/25

• 7/25

• 24/7

• 25/7

• 7/24

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CCSS.HSG.SRT.C.6

Using the ratios of a special right triangle, find the EXACT tangent of 30.

• √3 / 3

• 1/2

• √3

• 2

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CCSS.HSG.SRT.C.7

What is the ratio for Tangent

• Opposite/Adjacent

• Adjacent/Opposite

• Opposite/Hypotenuse

• Hypotenuse/Opposite

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CCSS.HSG.SRT.C.6

Give each trig ratio as a fraction in simplest form for the given right triangle diagram.

sin Q - ​ (a)  

cos Q - ​ ​ (b)  

tan Q - ​​ (c)  

• 25/24

• 7/24

• 24/25

• 7/25

• 24/7

• 25/7

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CCSS.HSG.SRT.C.6

Right triangle ABC is shown. Select all expressions which are equal to the length of side BC.

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CCSS.HSG.SRT.C.8

• sines

• cosines

• tangents

Answer explanation

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CCSS.HSG.SRT.C.7

Solve for x in the diagram below. Round answers to the nearest tenth.

• 4.4 m

• 18.6 m

• 10,3 m

• 16.2 m

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CCSS.HSG.SRT.C.8