Review of Triangle Trigonometry Tools

What is the value of "x" in the diagram below?

• 2.5

• 5

• 5√3

• 10

Determine the value of: sin(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Determine the value of: cos(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Determine the value of: tan(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Consider angle B in the diagram below. What is the length of "opposite side" to angle B?

• 6

• 8

• 10

• not possible to determine

Which trigonometric function would you use to find "h", the height of the tree?

• sine

• cosine

• tangent

• none of these

How would you find "x" in the diagram?

• Multiply 15 by 2.

• Divide 15 by 2.

• Multiply 15 by √3.

• Divide 15 by √3.

How would you find the value of the angle denoted by "?"

• Apply the inverse sine

• Apply the inverse cosine

• Apply the inverse tangent

• Apply the Pythagorean Theorem

Which trig ratio or function should you use to find the value of "h"?

• sine

• cosine

• tangent

• an inverse trig function

Which trig ratio or formula should you use to find "b"?

• sin(25)

• cos(25)

• tan(25)

• Pythagorean Theorem