The discussion revolves around proving the trigonometric identity: cosA/(1-tanA) + sinA/(1-cotA) = sinA + cosA. The subject area is trigonometry, specifically focusing on identities and algebraic manipulation of trigonometric functions.
The discussion is active, with participants engaging in algebraic manipulation and providing feedback on the approaches taken. There is recognition of correct algebraic steps, and some participants express surprise at the clarity of the work presented.
There is an indication that the original poster may be experiencing fatigue from studying, which could affect their problem-solving process. The conversation highlights the importance of showing work in order to receive effective assistance.
Miike012 said:cos/(1-sin/cos)+ sin/(1-cos/sin)
cos^2/(cos-sin) + sin^2/(sin-cos)
(cos^2 - Sin^2)/(cos-sin)
Miike012 said:cos/(1-sin/cos)+ sin/(1-cos/sin)
cos^2/(cos-sin) + sin^2/(sin-cos)
(cos^2 - Sin^2)/(cos-sin)