Solving Missing Sides of Triangle Using Trig Functions

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

Tags

CCSS.HSG.SRT.C.6

Find the measurement of the missing side indicated

• 4.98

• 5.98

• 3.20

• 4.18

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

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

Solve for the misssing distance

• 18.9

• 19.5

• 47

• 27.5

Tags

CCSS.HSG.SRT.C.8

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

Tags

CCSS.HSG.SRT.C.6

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.   Which of these is nearest to the height of the lighthouse? 

• 25 feet

• 44 feet 

• 81 feet 

• 185 feet 

Tags

CCSS.HSG.SRT.C.8

Solve for x. Round to the nearest tenth.

• 103.5

• 4.7

• 55.0

• 23.4

Tags

CCSS.HSG.SRT.C.8

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

Tags

CCSS.HSG.SRT.C.8

Find the measurement of the missing side indicated

• 4.39

• 3.21

• 2.19

• 2.05

Tags

CCSS.HSG.SRT.C.8

Solve for x.

• 50.7

• 50.1

• 60.7

• 61.0

Tags

CCSS.HSG.SRT.C.8