Evaluate :-
니
L (3)
(t):
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ANSWER
dt
dx
=3sec
2
t
dt
dy
=3secttant
dx
dy
=
sect
tant
=sint
dx
2
d
2
y
=cost
dx
dt
=
3sec
2
t
cost
=
3
cos
3
t
=
3.2
2
1
=
6
2
1
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