Question 873511
If {{{tanx=7}}},
that means {{{cotx=1/7}}},
Since:
tan^2x+1=sec^2x
It means:
{{{7^2+1=sec^2x}}}
{{{49+1=sec^2x}}}
{{{50=sec^2x}}}
Therefore:

{{{sec^2x=7.07}}} or {{{7*7/100}}}

Hope that helps!

Steffy