| sinx + 3cosx | ||
1.) | ||
| 2cosx |
| 6sin2x − cos2x | ||
2.) | ||
| 2sinx * cosx |
| a±b | a | b | |||
= | ± | ||||
| c | c | c |
| sinx+3cosx | sinx | 3cosx | 1 | 3 | ||||||
1) | = | + | = | tgx + | ||||||
| 2cosx | 2cosx | 2cosx | 2 | 2 |
| 6sin2x−cos2x | 6sin2x | cos2x | ||||
2) | = | − | = | |||
| 2sinxcosx | 2sinxcosx | 2sinxcosx |
| 3sinx | cosx | 1 | 1 | 1 | ||||||
= | − | = 3tgx − | *ctgx = 3tgx − | * | ||||||
| cosx | 2sinx | 2 | 2 | tgx |
