Trigonometry Examples

$x = 5 \cos (2)$

Step 1

Simplify $5 \cos (2)$ .

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Step 1.1

Evaluate $\cos (2)$ .

$x = 5 \cdot 0.99939082$

Step 1.2

Multiply $5$ by $0.99939082$ .

$x = 4.99695413$

Step 2

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

$x \approx - 2.08073418$

Step 3