What is the uses of modulus of , and arg , θ in an Argand diagram?
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are the polar coordinates of z
What is polar coordinate?
Originally Posted by SengNee What is polar coordinate? we know that the number z = x + iy can be graphed as a dot in the Argand plane at the point (x,y) correct? r is the legth of the line connecting the origin to (x,y) and is the angle this line makes with the positive real-axis
I know that: r=|z|=length of z =the angle this line makes with the positive real-axis I ask about what their uses, how we apply them to solve our daily problems?
Last edited by SengNee; Jan 8th 2008 at 01:53 AM. Reason: Typing error...
how we apply them to solve our daily problems? These have thousands of applications. One of the simplest is that if |z| = r and then and .
Originally Posted by SengNee I ask about what their uses, how we apply them to solve our daily problems? The shortest route between two truths in the real domain passes through the complex domain. -Hadamard
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