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the differential of cos(x) is -sin(x). the differential of cos(2x) is -2sin(2x). you can think of it as differentiating what is in the bracket and putting that in front of the -sin(2x). when differentiati...

One possible effect of this change in interest rate is a decrease in aggregate demand. As interest rates are inversely linked to investment, a component of aggregate demand responsible for approximately 1...

To differentiate you must times by the power then take one away from the power. Therefore x^2 + 7x + 4 would differentiate to become 2x + 7. The generic rule for differentiation can be written as dy/dx (x...

Interveiwers want to see that you have thought about teamwork, co-operation, ethics, critical analysis and a whole range of other skills, but they want it demonstrated to them in terms of anecdotal eviden...

Aerboic respiration requires oxygen wheras anaerboic respiration does not. Because of this, glucose does not fully break down, resulting in there being much less energy produced. The end products are also...