SOLUTION: if 8x=pi then show that cos7x + cotx =0
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Question 984776: if 8x=pi then show that cos7x + cotx =0
Answer by ikleyn(52880) (Show Source): You can put this solution on YOUR website!
If = then show that + = 0.
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I think it is WRONG.
Indeed, = .
= = .
The statement is + = 0 ?
It is WRONG.
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