shuning
Member
- Joined
- Aug 23, 2008
- Messages
- 654
- Gender
- Male
- HSC
- 2009
Last edited:
thanks man. im very jealous indeed ^^ i wish i was u LOL
solve it properly la... otherwise i never give u ur rewardAnswer is 7.
ibpwhat's the derivative of sin-1x?
oh fuck yea!!!! y i never saw that....
sorry, you used u sub right??? i solved this question using u sub, and yeh i dont know what you did in the second line.
that's how ppl in china writes it....sorry, you used u sub right??? i solved this question using u sub, and yeh i dont know what you did in the second line.
thanks
LOLNo I 'invented' this approach long ago.