You can put this solution on YOUR website! cscx = 1/sinx
tanx = sinx / cosx
your equation of:
cscx*tanx*cosx = 1 becomes:
1/sinx * sinx / cosx * cosx = 1
this is equivalent to:
(sinx * cosx) / (sinx * cosx) = 1 which is equivalent to:
1 = 1, confirming the original equation is correct.
