Rewrite with only sin x and cos x.
sin 3x
a)2 sin x cos2x + cos x
b)2 sin x cos2x + sin3x
c)sin x cos2x - sin3x + cos3x
d)2 cos2x sin x + sin x - 2 sin3x

Is the time in tennessee the same as florida

Often called simply "velocity," this is the velocity of an object at a particular moment in time.

On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?