1. The problem statement, all variables and given/known data 1/cscx-sinx = secx tanx 2. Relevant equations cscx = 1/sinx secx = 1/cosx 3. The attempt at a solution 1/cscx-sinx = secx tanx L.S. = 1/cscx-sinx = 1/(1/sinx)-sinx R.S. = secx tanx = (1/cosx)(sinx/cosx) This is where I'm getting confused. Why can't I make the L.S equal the Right side?