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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...

Phagocytes are types of cells found in the bloodstream and tissue. They are an important part of the immune system. They recognise foreign antigens on invading pathogens and engulf them. They then digest the...

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.

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...

How do you form the future tense? For regular –er and –ir verbs, the radical is the infinitiveFor most –re verbs, you take off the -eJe chanteraiTu chanterasIl/elle/on chanteraNous chanteronsVous chanterezIl...