<math><mstyle displaystyle="true"><mtable class="shapeTable" columnlines="solid" rowlines="solid"><mtr><mtd><mi>Side</mi></mtd><mtd><mi>Angle</mi></mtd></mtr><mtr><mtd><mtable><mtr><mtd><mrow><mi>b</mi><mo>=</mo></mrow></mtd><mtd></mtd></mtr><mtr><mtd><mrow><mi>c</mi><mo>=</mo></mrow></mtd><mtd><mn>4</mn></mtd></mtr><mtr><mtd><mrow><mi>a</mi><mo>=</mo></mrow></mtd><mtd></mtd></mtr></mtable></mtd><mtd><mtable><mtr><mtd><mrow><mi>A</mi><mo>=</mo></mrow></mtd><mtd><mn>30</mn></mtd></mtr><mtr><mtd><mrow><mi>B</mi><mo>=</mo></mrow></mtd><mtd><mn>60</mn></mtd></mtr><mtr><mtd><mrow><mi>C</mi><mo>=</mo></mrow></mtd><mtd><mn>90</mn></mtd></mtr></mtable></mtd></mtr></mtable></mstyle></math>

The sine of an angle is equal to the ratio of the opposite side to the hypotenuse.

Substitute the name of each side into the definition of the sine function.

Set up the equation to solve for the opposite side, in this case <math><mstyle displaystyle="true"><mi>b</mi></mstyle></math> .

Substitute the values of each variable into the formula for sine.

Factor <math><mstyle displaystyle="true"><mn>2</mn></mstyle></math> out of <math><mstyle displaystyle="true"><mn>4</mn></mstyle></math> .

Cancel the common factor.

Rewrite the expression.

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Do you know how to Find the Length of b tri{}{30}{4}{60}{}{90}? If not, you can write to our math experts in our application. The best solution for your task you can find above on this page.

Name | one billion nine hundred thirty-nine million one hundred twenty-nine thousand six hundred thirty-five |
---|

- 1939129635 has 8 divisors, whose sum is
**2068792320** - The reverse of 1939129635 is
**5369219391** - Previous prime number is
**16259**

- Is Prime? no
- Number parity odd
- Number length 10
- Sum of Digits 48
- Digital Root 3

Name | one billion six hundred eighty million one hundred sixty-eight thousand four hundred eight |
---|

- 1680168408 has 64 divisors, whose sum is
**7721630208** - The reverse of 1680168408 is
**8048610861** - Previous prime number is
**47**

- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 42
- Digital Root 6

Name | six hundred ninety-two million three hundred eighty thousand eighty-nine |
---|

- 692380089 has 8 divisors, whose sum is
**1025748320** - The reverse of 692380089 is
**980083296** - Previous prime number is
**9**

- Is Prime? no
- Number parity odd
- Number length 9
- Sum of Digits 45
- Digital Root 9