algibraicaly

  1. K

    proving algibraicaly

    prove algebraically sinA + cosAcotA = cscA I tried this but I can only get this far and I am wondering how I am going wrong? sinA + cosAcotA = cscA sinA + cosA(cosA/sinA) sinA + cos^2A/sinA sinA + 1-sin^2A/sinA please help