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solve for xcos x +cos y +cos(x+y) = -3/2please explain step by step as i am a begineer .please try to answer asap?

rashmi , 10 Years ago
Grade 11
anser 2 Answers
Jitender Singh

Last Activity: 10 Years ago

Ans:
Your question seems to be incomplete.
What is y. Is it variable or constant?

If it is variable, then you need to specify the relation b/w x & y.
After that, you can simply open the
cos(x+y) = cosx.cosy - sinxsiny
And then put y in x form.
Then solve for x.

rashmi

Last Activity: 10 Years ago

sir y is a variable
and we need to solve it not only for x but for y also please help?

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