| cos2x | ||
a) | = 1+sinx | |
| 1−sinx |
| tg2x | ||
b) | = 1+tg2x | |
| sinx |
| π | ||
a) sinx ≠ 1 ⇒ x ≠ | + 2kπ, gdzie k ∊ C | |
| 2 |
| cos2x | 1 − sin2x | (1 − sinx)(1 + sinx) | |||
= | = | = 1 + sinx | |||
| 1 − sinx | 1 − sinx | 1 − sinx |
| cos2x | cos2x | 1+sinx | cos2x(1+sinx) | |||||
L = | = | * | = | = | ||||
| 1−sinx | 1−sinx | 1+sinx | 1 − sin2x |
| cos2x(1+sinx) | ||
= | = 1 + sinx = P | |
| cos2x |
| sin2x | ||
tg2(x) = | ||
| cos2x |
| sin2x | 1 | 1 | |||||||||||
L = | = | * | = | = | ||||||||||
| sin2x | cos2x | sin2x | cos2x |
| sin2x + cos2x | sin2x | cos2x | ||||
= | = | + | = tg2x + 1 = P | |||
| cos2x | cos2x | cos2x |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
| Kliknij po więcej przykładów | |
|---|---|
| Twój nick | |