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May 7, 2021 ... Use the double angle formula: sin(a) + sin(b) = 2 sin[(a+b)/2] cos[(ab)/2] let a = 3x, and b = x, so we have sin(3x) + sin ( (a) -2 ln |x| + ln(x2 + 1) + arctan(x) + C. (b) ln(2 +. /. 3) - ln(. /. 2 + 1). (c). 1. 2 sin(2x) -. 1. 6 sin3(2x) + C. (d) -. 1. 2 x cos(2x) +. Nov 4, 2012 ... Пользователь Митя Егунов задал вопрос в категории Другие предметы и получил на него 2 ответа. = ex, y(1) = 2. What is the value of y(2)?. A. e2 + 2. B. e. 2. C. e2+2. 2. D. e ... sin(2x) + c4x cos(2x) + c5x sin(2x)]. B. c1 cos x + c2 sin x + e−3x[c3 ... Mar 23, 2013 ... But the area of △ABC is 12sin2φ. Not elegant, to be sure, but quick. Share. Mar 27, 2022 ... Answer: The value of sin2x is 4/5. Step-by-step explanation: Given, tan x = 1/2 According to formula, sin 2x = = = = = 4/5. (t + 1)2(t2 − t + 1)2. + t2. (t3 + 1)2. = 1. 3. ⎡. ⎢⎣. 1. (t + 1)2 +. 2 t2 − t + ... sinx(sin2x cosx − cos2x sinx) sin3x + cos3x dx. = −3∫ π/2. 0 sin3x ... If the integral of (sin 2x - cos 2x) dx = 1/√2(sin(2x - a) + b), then find a & b. Solution: The function can be solved as a set of two different equations, LHS ... Apr 8, 2025 ... Do đó, ta được nghiệm x=11π12 x = 11 π 12 . Trường hợp 2: x=7π12+kπ x ... Dec 16, 2024 ... ... 1/2 ∫1·t^2/2 dt) = t^2 〖tan〗^(−1) t−∫1·t^2/(1 + t^2 ) dt Solving I_1 I_1 = ∫1·t^2/(1 + t^2 ) dt Adding and ...
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