7 | √3 | 11 | ||||
arcsin (sin | π) + arccos (− | ) + arctg (tg | π) | |||
9 | 2 | 9 |
2 | ||
y1= − | π = sin y1 | |
9 |
2 | ||
y3= | π = tg y3 | |
9 |
π | ||
co z y2? czyżby jakoś − | ||
3 |
2 | 2 | |||
y= − | π + y2 + | π | ||
9 | 9 |
π | π | |||
arcsin(sinα)=α i α∊<− | , | > | ||
2 | 2 |
√3 | ||
arccos(− | )=β i β∊<0,π> | |
2 |
√3 | √3 | |||
cos(arccos(− | ))=cosβ⇔cosβ=− | ⇔ | ||
2 | 3 |