Ứng dụng của sin^3x trong mật mã học.

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I have found the correct answer by using the golden ratio, but how to get the answer from the first part I do not know. I thought that this would be a simple ... = !e2X sin 3x + ~e2X cos 3x - if e2x cos 3x dx. 3. 9. 9. => (1 + ~) f e2x cos 3x dx = ~e2X sin 3x + ~e2X cos 3x f e2x. => e2x cos 3x dx = 13(3 sin 3x + 2 cos 3x) ... Feb 5, 2015 ... 5 Answers 5 ... The computation can be done simply as follows tan2xsin3x=sin2xsin3xcos2x=2sinxcosx[sinx(2cos2x+1)]cos2x=2cosx(2cos2x+1)cos2x→2⋅1(2 ... Now, we would like to guess that the particular solution is Acos 3x+B sin 3x, but both cos 3x and sin3x are solutions to the homogeneous equation. Hence, we ... sin 3x. 2x. Example. Find lim x→0 cos ax − cos bx x2. Tools: cos x − cos ... sin 3x − sin x. , lim x→0. 1 − cos x x tan x. 33 / 34. Page 34. summary. (one ... 1+ sin 3x. SECTION 102. 0

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sin^3x


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