Introduction to Right Triangle Trigonometry

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

• 2.5

• 5

• 5√3

• 10

What is the value of "y" 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

Consider angle B in the diagram below.

What is the length of "adjacent 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.

True or False. To find the missing side length in the diagram, use the Pythagorean Theorem.

• True

• False