Hi there,

Today first we started doing some questions.

and we also did some question related to angles.

When ever you are given a question like this, you should change tan to x.

so it would look like this:-

2x-1=0 or x+1=0

2x=1 x=-1

The roots are (1/2,-1)

So the roots are (1/2,-1)

Now the next step is that we have to find the angles of theta.

angles of theta are

26.6, and 153.4 when theta is 1/2

-45, and 135 when theta is -1.

After that we did a little bit about imaginary numbers.

The general definition for imaginary number is that

## Monday, October 20, 2008

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## 1 comment:

you did really good job

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