Sum of two angels A and B is π/4, find the value of (1 + tanA) (1 + tanB), Need to know the formula tan(x - y) = (tanx - tany) /(1 + tanx tany) <br />#trigonometry<br />#Class xi<br />#CBSE<br />#JEE mains<br />#mathematics problem<br />#viral video<br />#easy way mathematics solution<br /><br />
