If f''(x)=-4sin2x, f(0)=0 and f'(0)=2,

  1. If f''(x)=-4sin2x, f(0)=0 and f'(0)=2, find the value of f(pi/4).
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    2. skylor asked by skylor
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  2. lim (4sin2x - 3x cos5x)/(3x/2 +(x^2)cscx )x->0
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    2. mo asked by mo
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  3. ʃ (4sin²x cos²×/sin2x cos2x)dxPLEASE HELP!!
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    2. INTEGRAL asked by INTEGRAL
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  4. Can someone please check my answers and help me with the last question!1. Solve sin2xcos2x = 4sin2x on the interval [0, 2pi] 0,
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    2. mysterychicken asked by mysterychicken
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  5. Please help..ʃ (4sin²x cos²×/sin 2x cos 2x)dx That's integration of (4sin^2x cos^2x over sin 2x cos 2x) dx i've got it from
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    2. INTEGRAL asked by INTEGRAL
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  6. ʃ (4sin²x cos²×/sin2x cos2x)dxi've got it from the book and it has an answer from the back page of the book but i want to
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    2. INTEGRAL asked by INTEGRAL
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  7. Trigonometry Questions1. Solve the equation sin2x+1=-2sinx for 0≤x≤2π 2. Solve the equation 7sin2x-4sin2x/cosx=-1 where
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    2. john asked by john
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