Question: QUESTION 4 If w = x y , x = c o s t and y = s i n t , then d w

QUESTION 4
If w=xy,x=cost and y=sint, then dwdt=
a.sin2t
b.2cos2t
c.2sin2t
d.1
e.cos2t
QUESTION 4 If w = x y , x = c o s t and y = s i n

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