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(Suppose the coordinates of the point on the circle is (2, 3))To calculate the tangents equation we will first work out it's gradient. The tangent to a circle at a point is perpendicular to the radius of ...

A global variable can be accessed from anywhere within the program whereas a local one can only be accessed from within the method it's declared in.

In dark/dim conditions the human pupil dilates (diameter increases) to allow more light in.In bright conditions the pupil constricts (diameter decreases) and less light enters the eye.This is through a co...

A procedure is a named set of instructions that can be called on by throughout the program.A function is a procedure that returns a value.Both functions and procedures can take parameters.

A= 0.6 a= 0.4 p+q=1 where p=A and q=a p²+2pq+q²=1where AA=P² Thus AA frequency in the population = 0.6²= 0.36Aa=2pq Aa frequency in the population = 2(0.4 X 0.6...