Apply the sum of angles identity.

Apply the difference of angles identity.

Combine the opposite terms in <math><mstyle displaystyle="true"><mi>sin</mi><mrow><mo>(</mo><mi>a</mi><mo>)</mo></mrow><mi>cos</mi><mrow><mo>(</mo><mi>b</mi><mo>)</mo></mrow><mo>+</mo><mi>cos</mi><mrow><mo>(</mo><mi>a</mi><mo>)</mo></mrow><mi>sin</mi><mrow><mo>(</mo><mi>b</mi><mo>)</mo></mrow><mo>+</mo><mi>sin</mi><mrow><mo>(</mo><mi>a</mi><mo>)</mo></mrow><mi>cos</mi><mrow><mo>(</mo><mi>b</mi><mo>)</mo></mrow><mo>-</mo><mi>cos</mi><mrow><mo>(</mo><mi>a</mi><mo>)</mo></mrow><mi>sin</mi><mrow><mo>(</mo><mi>b</mi><mo>)</mo></mrow></mstyle></math> .

Subtract <math><mstyle displaystyle="true"><mi>cos</mi><mrow><mo>(</mo><mi>a</mi><mo>)</mo></mrow><mi>sin</mi><mrow><mo>(</mo><mi>b</mi><mo>)</mo></mrow></mstyle></math> from <math><mstyle displaystyle="true"><mi>cos</mi><mrow><mo>(</mo><mi>a</mi><mo>)</mo></mrow><mi>sin</mi><mrow><mo>(</mo><mi>b</mi><mo>)</mo></mrow></mstyle></math> .

Add <math><mstyle displaystyle="true"><mi>sin</mi><mrow><mo>(</mo><mi>a</mi><mo>)</mo></mrow><mi>cos</mi><mrow><mo>(</mo><mi>b</mi><mo>)</mo></mrow><mo>+</mo><mi>sin</mi><mrow><mo>(</mo><mi>a</mi><mo>)</mo></mrow><mi>cos</mi><mrow><mo>(</mo><mi>b</mi><mo>)</mo></mrow></mstyle></math> and <math><mstyle displaystyle="true"><mn>0</mn></mstyle></math> .

Add <math><mstyle displaystyle="true"><mi>sin</mi><mrow><mo>(</mo><mi>a</mi><mo>)</mo></mrow><mi>cos</mi><mrow><mo>(</mo><mi>b</mi><mo>)</mo></mrow></mstyle></math> and <math><mstyle displaystyle="true"><mi>sin</mi><mrow><mo>(</mo><mi>a</mi><mo>)</mo></mrow><mi>cos</mi><mrow><mo>(</mo><mi>b</mi><mo>)</mo></mrow></mstyle></math> .

Do you know how to Expand the Trigonometric Expression sin(a+b)+sin(a-b)? 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 | two hundred ninety-one million nine hundred thirteen thousand three hundred twenty |
---|

- 291913320 has 128 divisors, whose sum is
**1580078016** - The reverse of 291913320 is
**023319192** - Previous prime number is
**457**

- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 30
- Digital Root 3

Name | two billion ninety-one million two hundred sixty-five thousand one hundred fifty-six |
---|

- 2091265156 has 16 divisors, whose sum is
**4909927104** - The reverse of 2091265156 is
**6515621902** - Previous prime number is
**23**

- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 37
- Digital Root 1

Name | seventeen million seven hundred sixty-eight thousand nine hundred sixty-five |
---|

- 17768965 has 4 divisors, whose sum is
**21322764** - The reverse of 17768965 is
**56986771** - Previous prime number is
**5**

- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 49
- Digital Root 4