Question

Solving Trigonomic Equation. How do you write the equation Tan^2x + 2 = 0 in terms of sine only. Then, solve algebraically for 0< x <2pi?

Answer 1

not possible in R

Explanation:

`tan^2x + 2 = 0`

`tan^2x= -2`

IMPOSSIBLE (in `RR`)
you can't square a number and expect it to be negative.