shuning Member Joined Aug 23, 2008 Messages 654 Location Central Coast - Chatswood all the way :p Gender Male HSC 2009 Feb 15, 2009 #1
shuning Member Joined Aug 23, 2008 Messages 654 Location Central Coast - Chatswood all the way :p Gender Male HSC 2009 Feb 15, 2009 #2 the answer is 2pie over 3 square root of 3. but i got 4 over square root of 3 [pie over 3 - arc tan 2 over square root of 3]
the answer is 2pie over 3 square root of 3. but i got 4 over square root of 3 [pie over 3 - arc tan 2 over square root of 3]
I imsleepyz Member Joined Feb 27, 2006 Messages 44 Gender Male HSC 2012 Feb 15, 2009 #3 use t-result then simplify then complete the square of the denominator t^2+t+1 then it will b a tan inverse and solved
use t-result then simplify then complete the square of the denominator t^2+t+1 then it will b a tan inverse and solved
shuning Member Joined Aug 23, 2008 Messages 654 Location Central Coast - Chatswood all the way :p Gender Male HSC 2009 Feb 15, 2009 #4 imsleepyz said: use t-result then simplify then complete the square of the denominator t^2+t+1 then it will b a tan inverse and solved Click to expand... did u even read my 2nd reply?
imsleepyz said: use t-result then simplify then complete the square of the denominator t^2+t+1 then it will b a tan inverse and solved Click to expand... did u even read my 2nd reply?
shuning Member Joined Aug 23, 2008 Messages 654 Location Central Coast - Chatswood all the way :p Gender Male HSC 2009 Feb 15, 2009 #6 thanks, lol in my origional i got all the way correct to the last step then fucked up the subbing T.T
thanks, lol in my origional i got all the way correct to the last step then fucked up the subbing T.T