Comments on: Integrate cos and sin squared using double angles http://trevorpythag.co.uk/2010/mathematics/calculus/integrate-cos-squared-using-double-angles/ Maths help and revision for GCSE, A/AS Level and Further Maths Thu, 17 May 2012 08:44:32 +0000 hourly 1 http://wordpress.org/?v=3.3.2 By: admin http://trevorpythag.co.uk/2010/mathematics/calculus/integrate-cos-squared-using-double-angles/comment-page-1/#comment-312 admin Sat, 29 May 2010 16:07:55 +0000 http://trevorpythag.co.uk/?p=478#comment-312 You can, the integral is $latex \frac{x}{2} + \frac{1}{4}sin(2x) + c $ but its is usually better to show how you got there and it can be easy to confuse the expressions for $latex sin^{2}(x) $ and $latex cos^{2}(x) $ thanks for visiting, dave You can, the integral is $latex \frac{x}{2} + \frac{1}{4}sin(2x) + c $ but its is usually better to show how you got there and it can be easy to confuse the expressions for $latex sin^{2}(x) $ and $latex cos^{2}(x) $

thanks for visiting,
dave

]]> By: Jenny http://trevorpythag.co.uk/2010/mathematics/calculus/integrate-cos-squared-using-double-angles/comment-page-1/#comment-309 Jenny Sat, 29 May 2010 15:08:32 +0000 http://trevorpythag.co.uk/?p=478#comment-309 Yes I know how but why cant I just untegrate sin squared x? Yes I know how but why cant I just untegrate sin squared x?

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