Let f = {(1,1), (2,3), (0,–1), (–1, –3)} be a function from Z to Z defined by f(x) = ax + b, for some integers a, b. Determine a and b.

The radian measure of 40° 20' is:

The value of sin(765°) is:

The value of tan(19π/3) is:

If cos x = -3/5 and x lies in the third quadrant, then the value of sin x is:

The general solution of the equation sin x = 1/2 is:

The value of cos( -1710°) is:

The value of 2 sin 15° cos 15° is:

The principal value of the amplitude of 1 - i is:

If sin A = 3/5 and A is in the first quadrant, then sin 2A is:

The general solution for tan x = √3 is:

The value of sin 75° is:

What is the degree measure of (5π/3) radians?

The period of the function f(x) = cos(3x + 5) is:

The value of (1 - tan² 15°)/(1 + tan² 15°) is:

The minimum value of 3 cos x + 4 sin x + 5 is:

If tan A = 1/2 and tan B = 1/3, then tan(A + B) is:

The expression (sin 3x + sin x) / (cos 3x + cos x) is equal to:

In which quadrant does the angle -11π/3 lie?

The value of cos 52° + cos 68° + cos 172° is:

A wheel makes 360 revolutions in one minute. Through how many radians does it turn in one second?