Question 821905
How do you verify the identity?
Sec(theta)/csc(theta) +sin(theta)/cos(theta)=2 tan(theta)
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{{{(sec(x)/csc(x))+(sin(x)/cos(x))=2tan(x)}}}
start with left side:
{{{(sec(x)/csc(x))+(sin(x)/cos(x))}}}
..
{{{(1/cos(x))/(1/sin(x))+(sin(x)/cos(x))}}}
..
{{{(sin(x))/(cos(x))+(sin(x)/cos(x))}}}
..
{{{tan(x)+tan(x)=2tan(x)}}}
verified: left side = right side