When it comes to options trading, there is so much to keep in mind — from calls and puts and whether they're short or long — but even that just scratches the surface. If you're new to trading options, you might hear the term 'theta decay' and wonder what that means. RBC Capital Markets Managing Director and Equity Derivatives Strategy Amy Wu Silverman breaks it down. | Yahoo Finance

Find the Six Trig Function Values of Theta if cos(theta) = -3/5 and Theta is in Quadrant 3