if sinX+cosX=m prove that sin^6X+cos^6X=4-3(m^2-1)^2/4 where m^...

Prove: tan2x+sec2x = cosx+sinx/ cosx-sinx

Prove: sin3x-sinx/cos3x-cosx=-cot2

prove(sinx/cosx+1)+(cosx-1/sinx)=0

prove(sinx/cosx+1)+(cosx-1/sinx)=0 Please help asap!!!!! PLEASE

Prove: (cotx sinx)(secx-cosx)=sin^2(X)

Prove 1-cosx+sinx / 1+cosx+sinx =tan x/2

prove: sinx/sec2x+cosx/csc2x=sin3x

Prove that (1+sinx-cosx/1+sinx+cosx)^2= 1-cosx/1+cosx

Prove that 1+cosx+sinx/1-cosx+sinx=cotx

prove that (cosx - sinx) / (cosx + sinx) = sec2x - tan2x

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