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cos(2x) = 2cos2(x)-1 by the double angle formula.
Rearrange to give cos2(x) = (cos(2x)+1)/2
Integrating this gives sin(2x)/4 + 1/4x + c
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Here we are examining the imaginary number ‘i’, defined as the square root (sqrt) of ‘-1’.We begin by using Euler’s identity:e^(iπ)+1=0e^(iπ)=-1Since sqrt(x) is the same as x^(1/2):(e^(iπ))^(...
The task of writing an essay on such well-trodden territory as Shakespeare's Hamlet is certainly a daunting one, and achieving a degree of originality is key to getting top marks.
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Lots of verbs which are irregular when in the past participle can still be grouped together to make them easier to learn!
Here are a few of the most common irregular pas...
Here, we must consider our UVAST equations of motion, and our variables.
U=?ms^(-1), V=45ms^(-1) , A=?ms^(-2), S= 300m, T=10s
Our equations of motion are:
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