1 | ||
1 + tg2(x) = | ||
cos2(x) |
sin2x | cos2x+sin2x | 1 | ||||
1+tg2x=1+ | = | = | ||||
cos2x | cos2x | cos2x |
sinx | π | |||
f(x)= | i x ≠ | +kπ | ||
|cosx| | 2 |
π | π | |||
|cosx|=cosx dla x∊(− | ,0)∪(0, | ) | ||
2 | 2 |
sinx | ||
f(x)= | =tg(x) | |
cosx |
π | π | |||
|cosx|=−cosx dla x∊(−π,− | )∪( | ,π) | ||
2 | 2 |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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