Trigonometry Examples

$29^{2} - 21^{2}$

Step 1

Simplify each term.

Tap for more steps...

Step 1.1

Raise $29$ to the power of $2$ .

$841 - 21^{2}$

Step 1.2

Raise $21$ to the power of $2$ .

$841 - 1 \cdot 441$

Step 1.3

Multiply $- 1$ by $441$ .

$841 - 441$

$841 - 441$

Step 2

Subtract $441$ from $841$ .

$400$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$