Trigonometry Examples

$4 \cdot (\sin^{2} (x) (x)) + 3 \cdot \cos (x) = 3$

Step 1

Simplify $4 \cdot (\sin^{2} (x) (x)) + 3 \cdot \cos (x)$ .

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Step 1.1

Multiply $3$ by $\cos (x)$ .

$4 \sin^{2} (x) x + 3 \cos (x) = 3$

Step 1.2

Reorder factors in $4 \sin^{2} (x) x + 3 \cos (x)$ .

$4 x \sin^{2} (x) + 3 \cos (x) = 3$

Step 2

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

$x \approx 0, 0.38959786, 2.31271881, 3.78224644, 6.2831853, 9.01396322, 9.81817794$

Step 3