The function r(t) = 2 sin(t)i + 3j + 4 cos(t)k traces out: a. ellipse in the plane y = 3 with center (0, 3, 0) b. ellipse in the plane x + y = 6 with center(0,3,0) c. ellipse in the plane x = 3 with center (0, 3, 0) d. ellipse in the plane y = 3 with center (2, 1, 3) e. circle in the plane y = 3 with center (0, 3, 0)

don't know sorry bru

step-by-step explanation:

c. 6tan80

step-by-step explanation:

you could deduce the conclusion directly using the facts pertaining to the specific situation.

hope this .

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours