Exploring Reciprocal Trigonometric Ratios

What is the sine of an angle in a right-angled triangle?

• Opposite over hypotenuse

• Hypotenuse over opposite

• Opposite over adjacent

• Adjacent over hypotenuse

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

• Hypotenuse over opposite

• Adjacent over hypotenuse

• Adjacent over opposite

• Opposite over hypotenuse

What is the reciprocal of the tangent ratio?

• Cotangent

• Sine

• Secant

• Cosecant

What is the secant of an angle, based on cosine?

• 1 over cosine

• Cosine over 1

• Sine over tangent

• Tangent over sine

If the sine of angle A is 3/5, what is cosecant A?

• 5/3

• 3/5

• 5/4

• 4/3

If tan A is 3/4, what is cotangent A?

• 3/4

• 4/3

• 3/5

• 5/3

How do you find the measure of an angle given cosecant A is 1 over sine A?

• Use the cosine function

• Use the tangent function

• Use the inverse sine function

• Use the inverse cosine function

To find an angle with cosecant A = 1/8, which function is used?

• Inverse sine of 1/8

• Inverse tangent of 1/8

• Inverse sine of 8

• Inverse cosine of 1/8

Which quadrants are used for determining angles with a negative cosecant value?

• I and II

• II and III

• III and IV

• I and IV

What are the two angles between 0 and 360 degrees with a cosecant of -2?

• 150 degrees and 270 degrees

• 210 degrees and 330 degrees

• 180 degrees and 360 degrees

• 120 degrees and 240 degrees