Basic Math Examples

$\cos (x) = \frac{- 3}{2}$

Step 1

Move the negative in front of the fraction.

$\cos (x) = - \frac{3}{2}$

Step 2

The range of cosine is $- 1 \leq y \leq 1$ . Since $- \frac{3}{2}$ does not fall in this range, there is no solution.

No solution