Question 442109

{{{sinA + cos^2(A)/sinA}}}........common denominator is {{{sinA}}}


= {{{(sinA*sinA + cos^2(A))/sinA}}}


= {{{(sin^2(A) + cos^2(A))/sinA}}}.......{{{sin^2(A) + cos^2(A)=1}}}

= {{{1/sinA}}}

= {{{cscA}}}