Not possible if we are restricted to real angles as:Originally Posted by cheesepie
Hello,Originally Posted by cheesepie
to 1) There isn't any real solution because in your problem cos(x) = 3/2.
to 2) A product of two factors is zero if one (or both) factor is zero:
to 3)Add cos(x) to both sides of your equation and divide then by cos(x). You'll get the equation: