2cos^2x=cosx. Can you subtract the cos from cos^2? Or what woul...

2cos*2x-cosx=1 find all solutions to the equation on the domain [0,2ð] i got ð/4, 7ð/4, 3ð/4, an...

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

1-cosx/1+cosx=(cotx-cscx)^2

square root of (1-cosx/1+cosx) = cscx - cotx prove the identity

integrate:cosx+2/cosx+sinx

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

Diffrentiate In(cosx+sinx/cosx-sinx)

Asked by Jessica