Question 817634
{{{ (1+csc(t))(1-sin(t)) = cot(t)cos(t) }}}

{{{ (1+(1/sin(t)))(1-sin(t)) }}}

{{{ ((sin(t)+1)(1-sin(t))/sin(t))}}}


{{{ (1-sin^2(t))/sin(t))}}}

{{{cos^2(t)/sin(t)}}}

{{{((cos(t)/sin(t)))*cos(t)}}}

{{{cot(t)*cost(t)}}}

LHS = RHS