Precalculus Examples

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 hypotenuse, in this case .
Substitute the values of each variable into the formula for sine.
Multiply the numerator by the reciprocal of the denominator.
Multiply by .
Tap for more steps...
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Add and .
Rewrite as .
Cancel the common factor of .
Tap for more steps...
Write as a fraction with denominator .
Factor out the greatest common factor .
Cancel the common factor.
Rewrite the expression.
Tap for more steps...
Multiply and .
Multiply by .
Divide by .
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Enter YOUR Problem
Mathway requires javascript and a modern browser.
Cookies & Privacy
This website uses cookies to ensure you get the best experience on our website.
More Information