| 1 | 5 | |||
(ctg5x)' = − | * 5 = − | |||
| sin2(5x) | sin2(5x) |
| 1 | ||
(ctgx) ' = − | ||
| sin2x |
| ctg(5x) |
| 5sin2x | |||||||||||||
lim | =lim | =lim | = | ||||||||||||
| ctg(x) |
| sin2(5x) |
| 5sin2x | 1 | 5sinx*sinx | x*5x | ||||
=5sin2x* | = | * | = | ||||
| sin2(5x) | sin2(5x) | x*x | sin(5x)*sin(5x) |
| sinx | sinx | 5x | 5x | 1 | ||||||
= | * | * | * | * | ||||||
| x | x | sin(5x) | sin(5x) | 5 |
| sinx | sinx | 5x | 5x | 1 | 1 | 1 | ||||||||
lim | * | * | * | * | =1*1*1*1* | = | ||||||||
| x | x | sin(5x) | sin(5x) | 5 | 5 | 5 |
| ctg 5x | cos 5x | sin x | 5x | 1 | 1 | ||||||
= | → | ||||||||||
| ctg x | cos x | x | sin 5x | 5 | 5 |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
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