Finding Angle Measures with Right Triangle Trigonometry

What theorem is used to confirm the presence of a right triangle?

• Sine rule

• Tangent rule

• Cosine rule

• Pythagorean theorem

Which side is always opposite the right angle in a right triangle?

• None of the above

• Opposite

• Adjacent

• Hypotenuse

Which trigonometric ratio is described as opposite over adjacent?

• Tangent

• Sine

• Secant

• Cosine

What does the tangent function relate in a right triangle?

• Hypotenuse over opposite side

• Adjacent side over hypotenuse

• Opposite side over hypotenuse

• Opposite side over adjacent side

What is the inverse function used to solve for angle measures in trigonometry?

• Inverse sine

• Inverse tangent

• Inverse cosine

• Inverse secant

What should you ensure about your calculator when solving for angles in degrees?

• It has a graphing capability

• It is set to radian mode

• It is set to degree mode

• It is fully charged

What is the approximate value of angle A calculated using tangent?

• 77.32 degrees

• 30 degrees

• 45 degrees

• 60 degrees

How do you verify the reasonableness of a calculated angle in a right triangle?

• All of the above

• Ensuring it's less than 90 degrees

• Checking if it's the smallest angle

• Comparing it with the right angle

If angle A is solved using sine, what should the setup equation look like?

• Opposite over hypotenuse

• Adjacent over hypotenuse

• Hypotenuse over opposite

• Adjacent over opposite

What consistent result should you expect when calculating angle A using different trigonometric functions?

• Error messages

• No result

• The same angle measure

• Different angle measures