# What is the instantaneous velocity of an object moving in accordance to # f(t)= (t^2,tcos(3t-pi/4)) # at # t=(pi)/8 #?

##### 1 Answer

Jun 16, 2016

Instantaneous velocity of the object is

#### Explanation:

Instantaneous velocity of an object moving in accordance to

As the object moves according to parametric form of equation given by

=

=

and at

=

=

=

=

Hence, instantaneous velocity of the object is