Examine the function cos(x) on what interval is the derivative positive?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect