Finding Side Using Trig

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

What is the correct equation to solve for x ?

• tan( 46 ) = 17/x

• sin ( 46 ) = x/17

• tan (46 ) = x/17

• cos (46) = x/17

• A
• B
• C
• D

Solve for x.

• 10

• 11.3

• 12.0

• 15.0

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 function can be used to solve for a?

• Sin A

• Cos A

• Tan A

• Cot A

• 44.55
• 22.69
• 41.66
• 38.49

Find x.

• 15.2

• 20.9

• 26.5

• 15.1

Set up the problem.

• sin(47) = x/28

• cos(47) = x/28

• tan(47) = x/28

• cos(47) = 28/x

What would you use to solve for a?

• sin

• cos

• tan

• Pythagorean theorem