Finding Lengths and Sides Using Trig

If you are given the hypotenuse and an adjacent side, which trig function should you use?

• sine

• cosine

• tangent

Tags

CCSS.HSG.SRT.C.6

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.C.6

Choose the correct ratio.

• cos(33)=x/14

• sin(33)=x/14

• cos(33)=14/x

• sin(33)=14/x

Tags

CCSS.HSG.SRT.C.6

What is the cosine of angle P?

• p/q

• q/r

• p/r

• r/q

Tags

CCSS.HSG.SRT.C.6

Give the Ratio for COS X

• Adj/Hyp

• Opp/Adj

• Adj/Opp

• Opp/Hyp

Tags

CCSS.HSG.SRT.C.6

Give the Ratio for SIN X

• opp/adj

• Adj/hyp

• Opp/hyp
  

• adj/opp

Tags

CCSS.HSG.SRT.C.6

Solve for x.

• 24.20

• 4.92

• 290.4

• 29.75

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CCSS.HSG.SRT.C.8

So we should have found;

opposite side = ?

hypotenuse = 4

(remember...related to the 70^o angle!!!) Which trig ratio uses these two sides?

• sine (sin)

• cosine (cos)

• tangent (tan)

• None of these

Tags

CCSS.HSG.SRT.C.6

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which of the following best represents the length of side "b?"

• 3.73

• 177.88

• 17.16

• 17.74

Tags

CCSS.HSG.SRT.C.8