Unit 9 Lesson 1 Trig Ratios

What equation can be used to solve for x?

• Sin(40°)= x/40 
• Sin(40º)=x/19
• Cos(40º)=x/19
• Tan(40°)=19/x

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CCSS.HSG.SRT.C.6

Which one is the easy way to remember trigonometric ratios?

• Sah Coh Toa
• Soh Cah Toa
• Soh Cah Tao
• Soh Ceh Toa

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CCSS.HSG.SRT.C.6

What is the COSINE ratio of any angle in a right triangle

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CCSS.HSG.SRT.C.6

What is the TANGENT ratio of any angle in a right triangle

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CCSS.HSG.SRT.C.6

What is sin(A) ?

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CCSS.HSG.SRT.C.6

What is the correct equation to solve for x?

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CCSS.HSG.SRT.C.6

• A
• B
• C
• D

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CCSS.HSG.SRT.C.6

If you are given 2 of the sides to an obtuse triangle, which trig function should you use to find the other side?

• sine
• cosine
• tangent
• You can only use trig functions on right triangles.

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CCSS.HSG.SRT.C.6

What is the correct ratio?

• 9/41
• 40/41
• 9/40
• 40/9

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What is the correct ratio?

• 20/12
• 12/20
• 12/16
• 16/12

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CCSS.HSG.SRT.C.6