sin2x | cos2x+sin2x | 1 | ||||
=cosx*(1+ | =cosx* | = | =P | |||
cos2 | cos2x | cosx |
cos2x | sin2 x | |||
L = cos x + tg2 x*cosx = cosx*(1 + tg2x) = cos x*( | + | ) = | ||
cos2x | cos2x |
1 | 1 | |||
= cos x* | = | = P | ||
cos2 x | cos x |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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