Right Triangle Trigonometry Quiz

What is the range of an acute angle in a right triangle?

• 90 to 180 degrees

• 45 to 90 degrees

• 0 to 90 degrees

• 0 to 45 degrees

In a right triangle, which side is opposite to the acute angle?

• The opposite side

• The longest side

• The adjacent side

• The hypotenuse

How is the sine of an angle in a right triangle defined?

• Adjacent over hypotenuse

• Opposite over hypotenuse

• Hypotenuse over opposite

• Opposite over adjacent

What is the cosine of an angle in a right triangle?

• Adjacent over hypotenuse

• Opposite over hypotenuse

• Hypotenuse over adjacent

• Opposite over adjacent

Which trigonometric function is defined as opposite over adjacent?

• Cosecant

• Sine

• Cosine

• Tangent

What is the reciprocal of the sine function?

• Secant

• Cotangent

• Cosecant

• Tangent

Which function is the reciprocal of cosine?

• Cosecant

• Secant

• Tangent

• Cotangent

What does the acronym SOHCAHTOA help you remember?

• The Pythagorean theorem

• The trigonometric ratios

• The order of operations

• The types of angles

In the example problem, what is the sine of the angle if the opposite side is 4 and the hypotenuse is 5?

• 3/5

• 3/4

• 4/5

• 5/4

In the example problem, what is the tangent of the angle if the opposite side is 4 and the adjacent side is 3?

• 4/3

• 5/3

• 3/5

• 3/4