Top answers

What is 'cotx'?

cot is a short way to write 'cotangent'. This is the reciprocal of the trigonometric function 'tangent' or tan(x). Therefore, cot(x) can be simplified to 1/tan(x). Using trigonometric rules, an alternative w...
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Answered by Lucy G. • Maths tutor
179884 Views

What is the difference between distance and displacement?

Distance refers to how far an object has travelled in total during its motion. Displacement refers to the object's overall change in position / how far an object is now, from it's initial position.
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Answered by Lucy G. • Maths tutor
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How do you find the equation of a straight line on a graph?

Firstly you need to find the gradient and to do this you identify two points on the graph and the gradient is the change in the value of the y values divided by the change in the value of the x values. (y2-y...
OJ
Answered by Oliver J. • Maths tutor
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A Definitive Guide to Differentiation

Overview: Differentiation Differentiation is a very useful mathematical technique extensively applied in various fields including economics, science, technology and engineering. Examples range from obtaining...
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Answered by Dominic D. • Maths tutor
6967 Views

How do you differentiate x^2?

You bring the power down to multiply by the existing coefficient of x =1 in this case, and then you reduce the existing power by 1 leaving you with dy/dx= 2x.
OJ
Answered by Oliver J. • Maths tutor
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