Расчет: qPHoPt - 1
A* B =
a* b* cos(α)
a* b* cos(α)
|
A* B = a* b* cos(α)$$A\cdot B$$ = $$a\cdot b\cdot cos(\alpha)$$
A =
$$A$$ = $$\frac{a\cdot b\cdot cos(\alpha)}{B}$$
| a* b* cos(α) |
| / B |
|
|
| a* b* cos(α) |
| / B |