Cos 2x cosx
Input |
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cos(2 x) cos(x) |
Series expansion at x=0 |
1 – (5 x^2)/2 + (41 x^4)/24 + O(x^6) (Taylor series) |
Derivative |
d/dx(cos(2 x) cos(x)) = 1/2 (-sin(x) – 3 sin(3 x)) |
Indefinite integral |
integral cos(x) cos(2 x) dx = 1/6 (3 sin(x) + sin(3 x)) + constant |