x = 4 cos (3t+ pi)
what is the distance of the particle when the velocity is 6m/s
my working out:
-12 sin (3t+pi) = 6
sin (3t+pi) = -1/2
3t+pi = -sin-1(1/2)
what do i take the RHS as??
like 7pi/6 and 11pi/6 or -pi/6
thnx =]
Re: Pressure From Parents
Sadly.. like my parents....
and they when you do get 1st in class with 95 they expect to get 96 i mean WTF...
and they compare ur results with ur friends annoying much
cant wait till the hsc is over =)
Re: Pressure From Parents
i get that a LOT.
ur in yr 10. u can afford to fuck up. tell her that. tell her its ranks that count, not marks.
does she really say ur born dumb??
umm you could tell her its her fault