Question

For an angle measured from the positive x-axis, the values of sin and cos are always which of the following?
A) less than -1
B) greater than or equal to -1 and less than or equal to 1
C) less than or equal to -1 or greater than or equal to 1

Answer 1

between -1 and +1
that is to the right (greater than) -1
and iis to the left (smaller than) +1

Answer 2

greater than or equal to −1 and less than or equal to 1