Could someone please explain to me how they got from the first step to the second?
sin pi/35 t = 0
pi/35 t = pi
hence t = 35 minutes....
Thank you in advance ^^
Hurro~! ^^
I'm stuck with this Maths in focus question, Exercise 6.2
Q30
A rectangular block of ice with a square base has a height half the side of the base. As it melts, the volume of the block of ice is decreasing at the rate of 12 cm3s-1. Find the rate at which its surface area will be...