Trigonometry Examples

$3 \arcsin (x) = π$

Step 1

Divide each term in $3 \arcsin (x) = π$ by $3$ and simplify.

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Step 1.1

Divide each term in $3 \arcsin (x) = π$ by $3$ .

$\frac{3 \arcsin (x)}{3} = \frac{π}{3}$

Step 1.2

Simplify the left side.

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Step 1.2.1

Cancel the common factor of $3$ .

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Step 1.2.1.1

Cancel the common factor.

$\frac{3 \arcsin (x)}{3} = \frac{π}{3}$

Step 1.2.1.2

Divide $\arcsin (x)$ by $1$ .

$\arcsin (x) = \frac{π}{3}$

Step 2

Take the inverse arcsine of both sides of the equation to extract $x$ from inside the arcsine.

$x = \sin (\frac{π}{3})$

Step 3

Simplify the right side.

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Step 3.1

The exact value of $\sin (\frac{π}{3})$ is $\frac{\sqrt{3}}{2}$ .

$x = \frac{\sqrt{3}}{2}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$x = \frac{\sqrt{3}}{2}$

Decimal Form:

$x = 0.86602540 \dots$