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 August 12th, 2018, 08:44 PM #1 Senior Member     Joined: Jan 2012 Posts: 140 Thanks: 2 Period of a function Hi, What will be the period of the function: $\displaystyle f(x)=\left ( \sin x \right )^{\circ}$ Thanks. Last edited by skipjack; August 13th, 2018 at 08:28 AM.
 August 13th, 2018, 02:18 AM #2 Senior Member   Joined: Feb 2016 From: Australia Posts: 1,833 Thanks: 649 Math Focus: Yet to find out. What's the degree symbol for? And what do you think the period will be..
 August 13th, 2018, 08:15 AM #3 Senior Member     Joined: Jan 2012 Posts: 140 Thanks: 2 It was in a book. If it is zero, then period is indeterminate and if degree, then 2pi. Thx.
 August 13th, 2018, 08:30 AM #4 Global Moderator   Joined: Dec 2006 Posts: 20,919 Thanks: 2203 Did the book give $\displaystyle f(x) = \left (\sin x^\circ\right)$?
 August 13th, 2018, 08:34 AM #5 Senior Member     Joined: Jan 2012 Posts: 140 Thanks: 2 No, not this. Only the one which I posted.
 August 13th, 2018, 08:47 AM #6 Global Moderator   Joined: Dec 2006 Posts: 20,919 Thanks: 2203 Okay. In that case, it's a degree symbol (a zero looks slightly different) and the period is 2$\pi$. Thanks from happy21
 August 13th, 2018, 09:02 AM #7 Senior Member     Joined: Jan 2012 Posts: 140 Thanks: 2 Yes..thx.

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