Trigonometry Examples

$c^{2} = 85$

Step 1

Take the specified root of both sides of the equation to eliminate the exponent on the left side.

$c = \pm \sqrt{85}$

Step 2

The complete solution is the result of both the positive and negative portions of the solution.

Tap for more steps...

Step 2.1

First, use the positive value of the $\pm$ to find the first solution.

$c = \sqrt{85}$

Step 2.2

Next, use the negative value of the $\pm$ to find the second solution.

$c = - \sqrt{85}$

Step 2.3

The complete solution is the result of both the positive and negative portions of the solution.

$c = \sqrt{85}, - \sqrt{85}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$c = \sqrt{85}, - \sqrt{85}$

Decimal Form:

$c = 9.21954445 \dots, - 9.21954445 \dots$