Trigonometry by Achilles Peleus - Wednesday, 8 June 2005, 9:23 PM Number of replies: 1 Can someone show that one of the values of tanx/2 is tana/2 and tanb/2 where tanx=(sina.sinb)/(cosa+cosb) Permalink Reply In reply to Achilles Peleus Re: Trigonometry by Varun Agrawal - Friday, 10 June 2005, 10:01 AM 2tanx/2 2tan a/2.tan b/2------------- = ----------------------------1-tan2x/2 1-tan2a/2tan2b/2Is this the required answer Permalink Show parent Reply
In reply to Achilles Peleus Re: Trigonometry by Varun Agrawal - Friday, 10 June 2005, 10:01 AM 2tanx/2 2tan a/2.tan b/2------------- = ----------------------------1-tan2x/2 1-tan2a/2tan2b/2Is this the required answer Permalink Show parent Reply