Could you please help me with proving these problems, i just dont get these ones
4.) sinx/1-cosx + sinx/1+cosx = 2cscx
5.) sinx/cscx-1 + sinx/cscx+1 = 2tan^2x
Please help, all is appreciated.
Post one of these questions that you think getting help on will be of benefit in doing the others. Also, please show some effort - show all your work and say where you get stuck.