J Jenna New member Mar 24, 2010 #1 Do you think you could help me solve these proofs step by step so that I understand how to do solve them? Thank you for everyone that helps! 1) 1-cot^2x / 1+cot^2x = 1-2cos^2x 2) sinx/1+cosx + (1+cosx/sinx)= 2cscx 3) cscx/1+cscx = 1-sinx/cos^2x
Do you think you could help me solve these proofs step by step so that I understand how to do solve them? Thank you for everyone that helps! 1) 1-cot^2x / 1+cot^2x = 1-2cos^2x 2) sinx/1+cosx + (1+cosx/sinx)= 2cscx 3) cscx/1+cscx = 1-sinx/cos^2x