Sine and Cosine Applications

Find AB

• 10

• 8

• 6.1

• 4.9

Solve each triangle, round to the nearest tenth.

• angle H= 15°, f= 55.5, g= 64.5

• angle H= 113° f= 55.5, g= 64.5

• angle H= 53°, f= 64.5, g= 55.5

• angle H=15°, g= 65, f= 56

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 

Joey must find the distance from Point A to Point B on opposite sides of a lake. He locates Point C that is 860 feet from point A and 175 feet from Point B. He measures the angle at Point C to be 78 degrees. Find the distance from point A to point B.

• 707643.58

• 841.22

• 877.62

• 845.01

Use the Law of Cosines to find the value of x. 

• 41.7

• 51.7

• 61.7

• 71.7

Solve for the missing distance

• 18.9 meters

• 19.5 meters

• 47.2 meters

• 27.5 meters

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

• .4706

• .875

• .8824

• .5333

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft

• 65 ft

• 74 ft

• 87 ft

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio