Trigonometry Examples

$\frac{b}{\sin (87.7)} = \frac{687}{1.2}$

Step 1

Multiply both sides by $\sin (87.7)$ .

$\frac{b}{\sin (87.7)} \sin (87.7) = \frac{687}{1.2} \sin (87.7)$

Step 2

Simplify.

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Step 2.1

Simplify the left side.

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Step 2.1.1

Cancel the common factor of $\sin (87.7)$ .

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Step 2.1.1.1

Cancel the common factor.

$\frac{b}{\sin (87.7)} \sin (87.7) = \frac{687}{1.2} \sin (87.7)$

Step 2.1.1.2

Rewrite the expression.

$b = \frac{687}{1.2} \sin (87.7)$

Step 2.2

Simplify the right side.

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Step 2.2.1

Simplify $\frac{687}{1.2} \sin (87.7)$ .

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Step 2.2.1.1

Divide $687$ by $1.2$ .

$b = 572.5 \sin (87.7)$

Step 2.2.1.2

Multiply $572.5$ by $\sin (87.7)$ .

$b = 572.0387912$