P peblez New member Joined Jan 29, 2007 Messages 36 Jun 14, 2007 #1 Can someone show me how to solve this limit 5 - 5cos^2 x / 8x^2 i'm not sure how to solve this thanks
Can someone show me how to solve this limit 5 - 5cos^2 x / 8x^2 i'm not sure how to solve this thanks
pka Elite Member Joined Jan 29, 2005 Messages 11,978 Jun 14, 2007 #2 \(\displaystyle \L \frac{{5 - 5\cos ^2 (x)}}{{8x^2 }} = \left( {\frac{5}{8}} \right)\left( {\frac{{\sin (x)}}{x}} \right)^2\)
\(\displaystyle \L \frac{{5 - 5\cos ^2 (x)}}{{8x^2 }} = \left( {\frac{5}{8}} \right)\left( {\frac{{\sin (x)}}{x}} \right)^2\)
