Section 4.2.1 Check Point Questions4 questions

4.2.1.1

Evaluate the following method calls:

(a) Math.sqrt(4)
(b) Math.sin(2 * Math.PI)
(c) Math.cos(2 * Math.PI)

4.2.1.2

True or false? The argument for trigonometric methods is an angle in radians.

4.2.1.3

Write a statement that converts 47 degrees to radians and assigns the result to a variable.

4.2.1.4

Write a statement that converts π / 7 to an angle in degrees and assigns the result to a variable.