Part a:

which pair of angles are complementary?

which pair of angles are supplementary?

part b:

in the space below, explain your steps on how you determined your answers. be sure to show your work.

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

If the value of cos330°is√3/2 then find cos 165°.