Trignometry
Saturday, January 31st, 2009 More Trigonometric Identities Revealed
For today there is another question from Yahoo Answers, also about trigonometric identities. This time it’s not about simple ones like before, but a more complex one, like the ones I sometimes answer on super math tips. Here it is:
Prove:
(cos 4x + cos 2x) / (sin 4x + sin 2x) = cot […]