Trigonometric Functions Quiz

In which quadrant are both x and y coordinates positive?

• Quadrant IV

• Quadrant II

• Quadrant I

• Quadrant III

If the x-coordinate is negative, in which quadrants is the cosine negative?

• Quadrant I and II

• Quadrant II and III

• Quadrant III and IV

• Quadrant I and IV

What is the relationship between sine and the y-coordinate?

• Sine is inversely related to the y-coordinate

• Sine is directly related to the y-coordinate

• Sine is the reciprocal of the y-coordinate

• Sine is unrelated to the y-coordinate

How is tangent derived from sine and cosine?

• Tangent is the difference between sine and cosine

• Tangent is the sum of sine and cosine

• Tangent is the ratio of sine to cosine

• Tangent is the product of sine and cosine

What is the reference angle used for?

• To measure the length of the terminal side

• To calculate the area of a triangle

• To determine the angle with the x-axis

• To find the hypotenuse

Which theorem is used to find the hypotenuse in a right triangle?

• Tangent Rule

• Sine Rule

• Cosine Rule

• Pythagorean Theorem

What must be done if a radical is present in the denominator?

• Add a constant to it

• Leave it as is

• Multiply by the reciprocal

• Rationalize it

What is the reciprocal of sine called?

• Cotangent

• Tangent

• Cosecant

• Secant

In the second problem, what is the hypotenuse when the point is (1, -3)?

• Square root of 10

• Square root of 13

• Square root of 5

• Square root of 15

What is the tangent of the angle when the point is (1, -3)?

• 3

• -3

• 1

• -1