Sine Cosine or Tangent Length

Which inverse trig function would you use to find the measure of Angle A?

• inverse sine

• inverse cosine

• inverse tangent

• It is not possible to determine m<A

Which expression is correct for "y"?

• y = tan^–1(31/23)

• y = sin^–1(31/23)

• y = cos^–1(31/23)

Which is the best strategy to use for finding the length of the missing side?

• sine

• cosine

• tangent

• Pythagorean Theorem

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 formula should you use to find "b"?

• sin(25)

• cos(25)

• tan(25)

• Pythagorean Theorem

How would you find "x" in this Special Right Triangle?

• Divide 10 by 2.

• Multiply 10 by 2.

• Multiply 10 by √3

• Divide 10 by √3

What is the most efficient way to find "x"?

• Inverse sine

• Inverse cosine

• Inverse tangent

• Pythagorean Theorem

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

• 6

• 8

• 10

• not possible to determine

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

• True

• False

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