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**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

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

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 love14 Answers · Family & Relationships · 01/08/2006

**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

**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

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

**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) + constant2 Answers · Science & Mathematics · 26/04/2013

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

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

**u**= x-8 --->int of (**u**+8)**u**^(1/2) du = (2/5)**u**^(5/2) + (16/3)**U**^(3/2), then substitute x back1 Answers · Science & Mathematics · 21/04/2009