during physics tuition just now:

teacher: find 10 sin 60 / 20 sin 30, etc

us: *calculating*

teacher: gives the right answer without even using the calculator 

O_O

lynn's reaction:

my reaction :D

haha :)

--------------------------------------------

and thenn:

teacher: find cos 90

jas: *calculating and pressing the = button repeatedly*

WHY CANNOT WAN?

WHY AIN'T THE ANSWER COMING OUT?!

teacher: the answer is 0 right?

PFFFFFFFT -.-