Solve cos(1/2)x=-1

$$\cos ( \frac{ 1 }{ 2 } ) x=-1$$

Solve for x

$$x = -\frac{10000000000000000}{9999619230641713} = -1\frac{380769358288}{9999619230641712} \approx -1.000038078$$

Steps for Solving Linear Equation

Evaluate trigonometric functions in the problem

$$0.9999619230641713 x = -1$$

Divide both sides by 0.9999619230641713.

$$x=\frac{-1}{0.9999619230641713}$$

Expand \frac{-1}{0.9999619230641713} by multiplying both numerator and the denominator by 10000000000000000.

$$x=\frac{-10000000000000000}{9999619230641713}$$

Fraction \frac{-10000000000000000}{9999619230641713} can be rewritten as -\frac{10000000000000000}{9999619230641713} by extracting the negative sign.

$$x=-\frac{10000000000000000}{9999619230641713}$$