Question

translation of axes

Answer 1

2y^2+sqrt(3)xy-x^2-2=0

Answer 2

I found the angle to be -pi/12 or -15 degrees.

Answer 3

x=Xcos(alpha)-Ysin(allpha)

y=Xsin(alpa)+Ycos(alpha)

Answer 4

what is the value of cos(-pi/12)

Answer 5

http://www.google.com/search?aq=f&sourceid=chrome&ie=UTF-8&q=cos(pi%2F12)

Answer 6

alright, guess i'll just use a u-sub untill the end

Answer 7

:) thats usually best