sin(5(x+Δx))−sin(5x) | ||
limΔx→0 | ||
Δx |
sin(5x+5Δx)−sin(5x) | ||
limΔx→0 | ||
Δx |
sin(5x)cos(5Δx)+cos(5x)sin(5Δx)−sin(5x) | ||
limΔx→0 | ||
Δx |
−sin(5x)(1−cos(5Δx))+cos(5x)sin(5Δx) | ||
limΔx→0 | ||
Δx |
1−cos(5Δx) | sin(5Δx) | |||
−sin(5x)limΔx→0 | +cos(5x)limΔx→0 | |||
Δx | Δx |
(1−cos(5Δx))(1+cos(5Δx)) | ||
−sin(5x)limΔx→0 | + | |
Δx(1+cos(5Δx)) |
sin(5Δx) | ||
5cos(5x)limΔx→0 | ||
5Δx |
sin(5Δx) | sin(5Δx) | sin(5Δx) | |||
−5sin(5x)limΔx→0 | +5cos(5x)limΔx→0 | ||||
5Δx | 1+cos(5Δx) | 5Δx |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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