Pythagorean Theorem, Special Right Triangles and Trigonometry

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

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CCSS.HSG.SRT.C.7

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• hypotenuse

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CCSS.HSG.SRT.C.6

What is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

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CCSS.HSG.SRT.C.6

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

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CCSS.HSG.SRT.C.6

What would you use to solve for a?

• sin

• cos

• tan

• Pythagorean theorem

Tags

CCSS.HSG.SRT.C.6

From ∠C, what side is AB?

• Adjacent

• Hypotenuse

• Opposite

• Sine

Tags

CCSS.HSG.SRT.C.6

Which Trig function do you use?

• Sine

• Cosine

• Tangent

Tags

CCSS.HSG.SRT.C.6

Find the value of side CA. Express your answer into two decimal places.

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

This theorem is can be used in finding the 3rd missing side of the right triangle which states that "the sum of the squares of the two legs of the right triangle is equal to the square of its hypotenuse."

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CCSS.8.G.B.8

Select all the set of angles included in special right triangles.

• 45º-45º-90º

• 45º-60º-90º

• 45º-45º-180º

• 30º-60º-90º

Tags

CCSS.HSG.CO.C.10