MathGroup Archive 2001

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Re: kernel problem for trigonometry


In a message dated 2001/7/12 3:01:10 AM, fbasohph at nus.edu.sg writes:

>May I find out the reason for the Kernel to compute the following with
>longer than the normal response time? It take several minutes to return
>a
>value, especially when the degree is not one of 0, 30, 45, 90 Degrees,
>and
>so on.
>
>FullSimplify[Sin[110 Degree]/Cos[220Degree]]
>

Execute

Sin[110 Degree]/Cos[220Degree] // TrigExpand

and consider all of the possible simplications to be investigated.

Bob Hanlon
Chantilly, VA  USA


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