Search over 10,000 free study notes

example quadratic eqn: ax 2 +bx+c=0 => x = (-b+-(b 2 -4ac) 1/2 )/2a e.g. 4x 2 -13x+3/4=0 x= (13+-(157) 1/2 )/8 = 3.1912, 0.0588

Integrating sin^2A and cos^2A is a bit nasty so we can use double angle formula to make it a little simpler. cos2A = cos^2A - sin^2A = 2cos^2A - 1. We can rearrange to get cos^2A in nicer terms. cos^2A = 1/2...

We can rewrite this as (5x - 2y)(5x - 2y). Now all we have to do is expand the brackets. We can do this by multiplying all the terms in the second bracket by all the terms in the first bracket and then sum t...

Hay numerosas razones por las que los jóvenes toman drogas, como por ejemplo, si tienen problemas en casa o cuando se ven tentados por la curiosidad, inseguridad, miedos e impulsividad que la adolescencia co...

Its best to tackle set text learning in smaller chunks, rather than in one go. What I tend to do is start with the translation learning by matching up each English word with the Latin as I go along. If there...