Trigonometry Examples

$\tan (0.9) = \frac{a}{7.2}$

Step 1

Simplify $\frac{a}{7.2}$ .

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Step 1.1

Multiply by $1$ .

$\tan (0.9) = \frac{1 a}{7.2}$

Step 1.2

Factor $7.2$ out of $7.2$ .

$\tan (0.9) = \frac{1 a}{7.2 (1)}$

Step 1.3

Separate fractions.

$\tan (0.9) = \frac{1}{7.2} \cdot \frac{a}{1}$

Step 1.4

Divide $1$ by $7.2$ .

$\tan (0.9) = 0.13\overline{8} \frac{a}{1}$

Step 1.5

Divide $a$ by $1$ .

$\tan (0.9) = 0.13\overline{8} a$

Step 2

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

$a \approx 9.07313916$

Step 3