I have this equation:

I was wondering how do I solve for ?

a,b,c,and d are known constants.

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- Mar 13th 2010, 01:30 PMs3n4teSingle equation, single unknown. How to solve?
I have this equation:

I was wondering how do I solve for ?

a,b,c,and d are known constants. - Mar 13th 2010, 08:23 PMSoroban
Hello, s3n4te!

It can be solved, but I'm sure you won't like it . . .

Quote:

Solve for

We have: .

. .

. . .[1]

Consider: .

. . Then: .

Divide equation [1] by

Let be an angle such that: .

. . Note that: .

Our equation becomes: .

Then: .

Therefore: .

- Mar 14th 2010, 10:44 AMs3n4te
Thank you very much for the tip!

- Mar 14th 2010, 12:37 PMs3n4te
I have a question though.

Can't you just make

and

Which would make

What is the point of using r?