Question

if x>0
prove that
cos(x)>1-(x^2)/2

Answer 1

Rdx can u clean that problem up for me?

Answer 2

yeah 1 sec
\[if x>0 prove that \cos(x)>1- x ^{2}/2 using lmvt \]

Answer 3

after 2 its using lmvt (lagranges mean value theorem)

Answer 4

@helppls123

Answer 5

I can't help with much of Algebra 2 >_< sorry

Answer 6

._. Wow

Answer 7

Im sorry Rdx >.< I thought she could help you

Answer 8

Whattt? I just bombed algebra 2

Answer 9

Nerp

Answer 10

Uhm all i know is that you will have to solve for x, and the answer for the problem would have to be 1 or higher.

Answer 11

oh sorry http://answers.yahoo.com/question/index?qid=20100107084322AAa5lVB this is correct way of showing the link

Answer 12

@helppls123 thats wrong method

Answer 13

i read the answer on yahoo couple of times and still i cant seem to solve the problem. Dont we need an interval to use mvt?

Answer 14

we need interval which is (0,infinity)

Answer 15

@satellite73

Answer 16

pls help