Question 295301
{{{ (tany+coty)sinycosy = 1 }}}

{{{ (Tan(y)+Cot(y))Sin(y)*Cos(y) = 1 }}}
{{{((Sin(y))/(Cos(y))+(Cos(y))/(Sin(y)))*Sin(y)*Cos(y)=1}}}

{{{Sin(y)*Cos(y)((Sin(y))/(Cos(y))+(Cos(y))/(Sin(y)))=1}}}

{{{Sin(y)*Cos(y)( (Sin(y))/(Cos(y)) )+Sin(y)*Cos(y)((Cos(y))/(Sin(y)))=1}}}

{{{Sin(y)*cross(Cos(y))( (Sin(y))/(cross(Cos(y))) )+cross(Sin(y))*Cos(y)((Cos(y))/(cross(Sin(y))))=1}}}

{{{Sin^2(y)+Cos^2(y)=1}}}

{{{1 = 1}}}
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Edwin</pre>