By using the derivative investigate the function f(x)=arccos(sinx) , give its piece-wise formula for 0≤ x ≤ 2pi.

Can someone help me with this question? I don't recall ever working arc so if anyone can help me that would be greatly appreciated.

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- March 20th 2010, 06:39 PMSolid8Snakequestion regarding derivatives of arc function
By using the derivative investigate the function f(x)=arccos(sinx) , give its piece-wise formula for 0≤ x ≤ 2pi.

Can someone help me with this question? I don't recall ever working arc so if anyone can help me that would be greatly appreciated. - March 21st 2010, 03:30 AMmr fantastic