| x | = | ( | x | ÷ | 180 | + | 2 | ) | ( | ( | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | ) | ) |
| x | = | x | ÷ | 180 | × | ( | ( | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | ) | ) | + | 2 | ( | ( | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | ) | ) |
| x | = | x | × | 1 180 | ( | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | ) | + | 2 | ( | ( | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | ) | ) |
| x | = | x | × | 1 180 | × | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | + | 2 | ( | ( | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | ) | ) |
| x | = | x | × | 2 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | + | 2 | ( | ( | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | ) | ) |
| Multiply both sides of the equation by: | ( | x | ÷ | 180 | + | 2 | ) |
| x | ( | x | ÷ | 180 | + | 2 | ) | = | x | × | 2 | + | 2 | ( | ( | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | ) | ) | ( | x | ÷ | 180 | + | 2 | ) |
| x | x | ÷ | 180 | + | x | × | 2 | = | x | × | 2 | + | 2 | ( | ( | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | ) | ) | ( | x | ÷ | 180 | + | 2 | ) |
| x | x | ÷ | 180 | + | x | × | 2 | = | x | × | 2 | + | 2 | ( | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | ) | ( | x | ÷ | 180 | + | 2 | ) |
| x | x | × | 1 180 | + | 2 | x | = | 2 | x | + | 2 | × | 360 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | × | ( | x | ÷ | 180 | + | 2 | ) |
| x | x | × | 1 180 | + | 2 | x | = | 2 | x | + | 720 | ÷ | ( | x | ÷ | 180 | + | 2 | ) | × | ( | x | ÷ | 180 | + | 2 | ) |
| Multiply both sides of the equation by: | ( | x | ÷ | 180 | + | 2 | ) |
| x | x | × | 1 180 | ( | x | ÷ | 180 | + | 2 | ) | + | 2 | x | ( | x | ÷ | 180 | + | 2 | ) | = | 2 | x | ( | x | ÷ | 180 | + | 2 | ) | + | 720 | ( | x | ÷ | 180 | + | 2 | ) |
| x | x | × | 1 180 | x | ÷ | 180 | + | x | x | × | 1 180 | × | 2 | + | 2 | x | ( | x | ÷ | 180 | + | 2 | ) | = | 2 | x | ( | x | ÷ | 180 | + | 2 | ) | + | 720 | ( | x | ÷ | 180 | + | 2 | ) |
| x | x | × | 1 180 | x | ÷ | 180 | + | x | x | × | 1 180 | × | 2 | + | 2 | x | ( | x | ÷ | 180 | + | 2 | ) | = | 2 | x | x | ÷ | 180 | + | 2 | x | × | 2 | + | 720 | ( | x | ÷ | 180 | + | 2 | ) |
| x | x | × | 1 32400 | x | + | x | x | × | 1 90 | + | 2 | x | ( | x | ÷ | 180 | + | 2 | ) | = | 1 90 | x | x | + | 4 | x | + | 720 | ( | x | ÷ | 180 | + | 2 | ) |
| x | x | × | 1 32400 | x | + | x | x | × | 1 90 | + | 2 | x | x | ÷ | 180 | + | 2 | = | 1 90 | x | x | + | 4 | x | + | 720 | ( | x | ÷ | 180 | + | 2 | ) |
| x | x | × | 1 32400 | x | + | x | x | × | 1 90 | + | 2 | x | x | ÷ | 180 | + | 2 | = | 1 90 | x | x | + | 4 | x | + | 720 | x | ÷ | 180 | + | 720 | × | 2 |
| x | x | × | 1 32400 | x | + | x | x | × | 1 90 | + | 1 90 | x | x | + | 4 | x | = | 1 90 | x | x | + | 4 | x | + | 4 | x | + | 1440 |
| x | x | × | 1 32400 | x | + | x | x | × | 1 90 | + | 1 90 | x | x | + | 4 | x | = | 1 90 | x | x | + | 8 | x | + | 1440 |