eagle SG Same answer if you change the denominator to sin^2, but rather inefficient. Why not do it in just 2 lines?I hv added a link to the above post.
eagle SG (see below)Is there anything wrong? My answer is different from the answer key!what is the answer key... trigo functions can be expressed differently....may I know which level you are at?
eagle SG 1 / (1 - cos x)I'm helping my brother who's in Sec 4.u can simply-(1+cos x) / (1-cos^2 x) - (1+cos x) / [(1+cosx)(1-cos x)] - 1 / (1 - cos x)Do check if the minus sign is there
secretliker SG Thanks eagle! I overlooked the a^2 - b^2 = (a+b)(a-b) thing. No wonder I can't get it.Yes, there's minus sign.
hiphop2009 SG gosh eagle is godly~.a round of applause~~...i only thinking how to solve when he can get it all right.
eagle SG nah... I think I will forget most stuff in a few years timeSo now while I still remember some, I try to help whenever possible...
