Trigonometry Examples

$4 + \cos (x) - 5 \sin (x \cdot x) = 0$

Step 1

Multiply $x$ by $x$ .

$4 + \cos (x) - 5 \sin (x^{2}) = 0$

Step 2

Graph each side of the equation. The solution is the x-value of the point of intersection.

$x \approx - 1.05645418, 1.05645418, - 1.47733169, 1.47733169, - 2.63782478, 2.63782478, - 2.96264726$

Step 3