Anyone good at sums?
I have this:



and I've simplified it to this



Which is more simplified than the answer given in the book. The more I look at it, I think I must've took a pretty major wrong turning somewhere.
( sandettie light vessel automatic New Twitter - @bollocksreally, Thu 30 Jul 2009, 18:21, 8 replies, latest was 17 years ago)

Ah, I think I see it
I left out the (2x² tan x) bit in the calculation.
( sandettie light vessel automatic New Twitter - @bollocksreally, Thu 30 Jul 2009, 18:24, Reply)

I was going to say,
the answer is clearly 3 mice, some carrots and Martine McCutcheon's ovaries.
(Tiny Blindfolded Horse Kitten sound car horns would end road rage, Thu 30 Jul 2009, 18:42, Reply)

Are you sure?
I was going to say The Holy Roman Emperor and the St Bartholemew's Day Massacre.
( The Light in Chains don't touch the Pope's boner, Thu 30 Jul 2009, 18:50, Reply)

^ That
sounds like a band
( sandettie light vessel automatic New Twitter - @bollocksreally, Thu 30 Jul 2009, 19:09, Reply)

Catholic metal bands
ftw
(Tiny Blindfolded Horse Kitten sound car horns would end road rage, Thu 30 Jul 2009, 19:36, Reply)

Assuming x=0

(powervator and NONE SHALL PASS, Fri 31 Jul 2009, 0:11, Reply)

Assuming x=infinity

(powervator and NONE SHALL PASS, Fri 31 Jul 2009, 0:12, Reply)

If you are deriving for fun...

(powervator and NONE SHALL PASS, Fri 31 Jul 2009, 0:13, Reply)