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Dec 11, 2019 ... The value of 2sinxsin3x+tanxtan3x ______ · The correct Answer is:1 · 2sinxsin3x+tanxtan3x=2sinxsinx⋅(3−4sin2x)+tanx(3tanx−tan3x)(1−3tan2x) =23−4 ... Note that 3xe-x= (3x+O)e-x and. Page 6. 1929] CHENEY CHECK FORMULAS 221. 4ex sin 3x =ex (O cos 3x+4 sin 3x). As a consequence the complementary function is y ... (-9A (os 3x-98 Sin 3x)+4(-3A Sin 3x + 3B Cos3x). + 4 CA Cos 3x + B Sin 3x). = [-5A ]. T-5. +12B Cos 3x + -12A-5B Sin3x= Sin 3x. Apr 22, 2022 ... By clicking “Sign up”, you agree to our terms of service and acknowledge you have read our privacy policy. Sign up with Google. OR. Email. \begin{equation} I = \int \frac{1}{\sin\left(3x\right)}\:dx \end{equation} Let u = 3x to yield: \begin{equation} I = \int \frac{1}{\sin\left(3x\right)}dx = \int ... Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, ... sin(x) + cos(y) = sin(x) cos(y). Now assume x and y are functions of t ... sin(3x) x. +. 5 x2. ) dx. Z e. 1 x2 + x + 1 x dx. Z π/4. 0. 1 + cos2(θ) cos2(θ) dθ. Z ... ... sin x sin 2x sin 3x ··· sin nx. Calculate f (n) n (0). Solution by Henry Ricardo, Westchester Area Math Circle. We will show that f (n) n (0) = (n!)2. The ... M(x) = e2x cos 3x sin 3x. - sin 3x cos 3x. & Y = M(x)C = e2x c1 cos 3x. - sin 3x. + c2 sin 3x cos 3x. (b) Find the solution of the initial value problem. M(0)C ... sin(3x). 1 + cos²(3x). 2. ---. (b) / z² + dz dz. {1}. 5x. (x − 2)(x+3) dx. 4. Evaluate De dx. 5. Indicate if the following series converge or diverge. You must ...