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Topic: ------- ------- ------- A Trigonomertic function
Replies: 15   Last Post: Aug 29, 2012 5:19 PM

 Messages: [ Previous | Next ]
 Mike Terry Posts: 767 Registered: 12/6/04
Re: ------- ------- ------- A Trigonomertic function
Posted: Aug 28, 2012 1:06 PM

"david" <dlee753@yahoo.com> wrote in message
> Consider the following expression for the given conditions.
>
> R = [(sinwD)^2/w + (coswD)^2/w] (1)
>
> w is an integer 5 < w < 41 and R is real > 0 and 0 < D < pi/2
>
> Assertion: 0 < R < 1
>
> Any comment about the correctness of the assertion will be appreciated.
> A numerical example will be very helpful.
>
> What happens when w is very very large compared to 41?

The above is equivalent to R = 1/w, unless I'm misreading something. So the
assertion is correct - in fact 1/41 < R < 1/5.

If w becomes very large, then R = 1/w becomes very small.

Regards,
Mike.

Date Subject Author
8/28/12 david
8/28/12 Pubkeybreaker
8/28/12 Mike Terry
8/28/12 Pubkeybreaker
8/28/12 quasi
8/28/12 Pubkeybreaker
8/28/12 Mike Terry
8/29/12 quasi
8/29/12 quasi
8/29/12 Mike Terry
8/28/12 david
8/28/12 david
8/28/12 david
8/29/12 Virgil
8/29/12 Scott Berg
8/29/12 Deep Deb