Question 866723
Verify identity sinx + sinx/tan^2x = csc x
{{{sin(x)+(sin(x)/tan^2(x))=csc(x)}}}
start with left side:
{{{sin(x)+(sin(x))/(sin^2(x)/cos^2(x))}}}
{{{(sin(x))+(cos^2(x)/sin(x))}}}
{{{(sin^2(x)+cos^2(x))/(sin(x))=1/sin(x)=csc(x)}}}
Verified: left side=right side