Search over 10,000 free study notes

The differential is the slope of the graph at any point. So if we imagine a cosine in our heads, it starts at a peak and goes down to a negative peak. So in terms of the gradient (or slope) it starts at 0...

The first step would be to add all of the numbers together. In this example the sum of the numbers would be 1150. The second step would be to count how many numbers there are, so 100 would count as 1 numb...

Find the lowest common denominator between the two fractions, which is 28 (74 = 28).Multiply the fractions numerator (15 and 5) by the same number that you have used to multiply the denominator when f...