Question

what would be the critical points for cos20(thats theta not 0) , 0 15 years ago

Answer 1

thats 2 cycles of cosine in a normal period..

Answer 2

cos is normally 0 at pi/2 and 3pi/2

Answer 3

and inflects at o and pi

Answer 4

do i have that backwards?

Answer 5

high points at 0 and pi ....yeah

Answer 6

regardless, its criticals are at -2sin(2t)

Answer 7

oh ok, thanks a lot