Solve the equation on the interval

I tried for ages but didn't manage to get very far, any help would be great.

thanks

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- Jul 5th 2009, 12:28 PMgreghunter[SOLVED] Solving trig equations
Solve the equation on the interval

I tried for ages but didn't manage to get very far, any help would be great.

thanks - Jul 5th 2009, 12:36 PMChris L T521
- Jul 5th 2009, 12:49 PMgreghunter
thanks...annoyingly simple!