Search over 10,000 free study notes

cos(x+a)=cosxcosa-sinxsina so cosa=5 sina=3 which means tana=3/5 a=0.54 RADIANS R=sqrt(5²+3²). =sqrt(34) so sqrt(34)cos(x+0.54)

A common response from the student for the above question is: “I got 20km/h but it says it’s wrong! help i’m really confused”. The following two paragraphs will outline how I might attempt explain this id...

Beck’s negative triad is a cognitive theory that can be used to explain depression. It suggests that depression results from negative thoughts about the world, the self and the future. For example, someon...

GRUBBES Pros - Higher income tax SO less of a budget deficit, more public funding which could increase AS and reduce Y inequality Evaluate: Laffer curve, LT increase, little evidence it does (depends on w...

Unsaturated fats usually have a C=C double bond, e.g. vegetable oil. So, it's 'unstable' because of the high concentration of negative charge (electrons). Bromine (B2) is not polarised. However, as it app...