1 | |
; 0,5tgx ; −cosx | |
cosx |
1 | 1 | |||
2* | tgx= | −cosx} | ||
2 | cosx |
1 | cos2x | |||
tgx= | − | |||
cosx | cosx |
1−cos2x | ||
tgx= | ||
cosx |
sin2x | ||
tgx= | ||
cosx |
sinx | sin2x | ||
− | =0 | ||
cosx | cosx |
sinx−sin2x | |
=0 | |
cosx |
π | ||
x= | +2kπ k∊Z | |
2 |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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