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How solve this trigo system ?
09-19-2017, 06:30 PM (This post was last modified: 09-19-2017 06:31 PM by Dieter.)
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RE: How solve this trigo system ?
(09-18-2017 08:56 AM)ggauny@live.fr Wrote:  cos x - cos y = 1/2
sin x * sin y = 3/8

Finally, you may try wolframalpha.com to solve this. Simply enter
solve (cos x - cos y = 1/2) AND (sin x * sin y = 3/8) for x,y

The returned results include some nice (x,y) plots that show multiple sets of two ring-shaped graphs with four intersections each. Very illustrative, I think.

Dieter
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Messages In This Thread
RE: How solve this trigo system ? - Dieter - 09-18-2017, 12:46 PM
RE: How solve this trigo system ? - Dieter - 09-18-2017, 05:48 PM
RE: How solve this trigo system ? - Dieter - 09-19-2017 06:30 PM



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