Question 868276
Verify the identity [sec(*) + tan(*)]/[cot(*)+ cos(*)] = tan(*)sec(*)
------
Multiply both sides by [cot+cos] to get::
sec + tan = (tan*sec)[cot + cos]
---------
sec + tan = (tan*cot*sec + tan*sec*cos
------------
sec + tan = 1*sec + tan*1
------------
sec + tan = sec + tan
------
Cheers,
Stan H.
=================