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  1. u = 4i - 2j tan(u) = - 2/4 = - 1/2 → angle_u = - 26.565° v = i + 3j tan(v) = 3/1 = 3 → angle_v = 71.565° angle between u and v: = 71.565 - (- 26.565) = 71.565 + 26.565 = 98.130°

    3 Answers · Science & Mathematics · 25/05/2014

  2. Given: (5u+3/4) = (u-4/5) +11 ()s are not needed so we remove them: 5u + 3/4...4/5 + 11 - 3/4 Create a common denominator on the right hand side: 5u - u = - 16/20 + 220/20 - 15/20 Combine like terms: 4u = 189/20 ...

    1 Answers · Science & Mathematics · 25/08/2012

  3. love is confusing u kno when ur in love when u cannot explain in words exactly how u feel... or there arent any words to explain how u feel about them, when u get to that point u kno ur in love

    14 Answers · Family & Relationships · 01/08/2006

  4. u can call people with skype, skype to skype is free plus u can put credits its really low prices but u must be ...

    2 Answers · Consumer Electronics · 09/07/2008

  5. u = tan(x/2) 1/u = cot(x/2) (1/u)^2 = cot(x/2)^2 (1/u)^2 = csc(x/2)^2 - 1 1 + (1/u)^2 = csc(x/2)^2 (1 + u^2) / u^2 = csc(x/2)^2 u^2 / (1 + u^2) = sin(x/2)^2 u^2 / (1 + u^2...

    1 Answers · Science & Mathematics · 29/04/2013

  6. cos(arctan(u) + arctan(v)) => cos(arctan(u))cos(arctan(v)) - sin(arctan(u))sin(arctan(v)) cos(arctan(u)) => 1/sec(arctan(u)) => 1/sqrt(1 + tan(arctan...u^2)) * (v/sqrt(1 + v^2)) => (1 - uv) / sqrt((1 + u^2) * (1 + v^2))

    2 Answers · Science & Mathematics · 10/10/2013

  7. u = 3x^2 du = 6x dx 1/6 du = xdx Integral 1/6 e^u du = 1/6 e^u = 1/6 e^(3x^2) + constant

    2 Answers · Science & Mathematics · 26/04/2013

  8. Express 1 as a fraction: ( -2/(5u+10) ) - (5u+10)/(5u+10) = 2/ (u+2) Subtract fractions on left side: (-2-5u-10)/(5u+10... of the original equation. So the only answer is u = -4.4.

    1 Answers · Education & Reference · 15/11/2009

  9. first dont get tight cause u cant ollie or do a trick cause when ur mad u end up breaking ur board (not worth...guess what, they get new boards for free the next day, and maybe when ur sponsered u can do that too, until then just chillax and have fun) i always tell people to learn...

    3 Answers · Sports · 26/06/2008

  10. u = x-8 --->int of (u+8)u^(1/2) du = (2/5)u^(5/2) + (16/3)U^(3/2), then substitute x back

    1 Answers · Science & Mathematics · 21/04/2009

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