It is given that:

Hence, prove that the only real solution of the equation

are given by

Where n is an integer.

I am really stuck with this :(

Any help would be greatly appreciated.

Thankyou.

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- May 13th 2009, 05:40 AMAshleyTTrig proof - urg
It is given that:

Hence, prove that the only real solution of the equation

are given by

Where n is an integer.

I am really stuck with this :(

Any help would be greatly appreciated.

Thankyou. - May 13th 2009, 05:49 AMbebrave
Math Forum - Ask Dr. Math

this link can help you :) - May 13th 2009, 06:12 AMAshleyT
- May 13th 2009, 07:06 AMPlato
Use what you just proved. Substitute , substract .

You then have .

Show that has no real roots other than 0. - May 13th 2009, 07:57 AMAshleyT