 Write everything in terms of sines and cosines.
(eg, tan A > sinA/cosA, sec A = 1/cosA, etc)
 Multiply both sides through by whatever is necessary to get an equivalent equation with no fractional expressions
 Regroup terms so that you can use the Pythagorean identity
to simplify
eg, sin^{3} A + cos^{2}A sin A = (sin^{2} A + cos^{2} A) sin A
= 1 sin A
= sin(A)
Good Hunting!
RD
