OL A Math trigo proving

• quailmaster

  12 Jun 11, 17:11

  Prove that 1 - 2(cot x)^2 = 5 / (sin x)
• quailmaster

  12 Jun 11, 23:30

  think there is something wrong with the qn.. i plotted both the LHS and RHS , the graphs do not coincide
• FireIce

  12 Jun 11, 23:56

  cannot prove