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November 08, 2025, 02:10:55 pm
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Author Topic: Help!  (Read 630 times)  Share 

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anjesa

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Help!
« on: April 02, 2012, 04:23:07 pm »
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Find the exact value of sin 4pi?
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Ravit

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Re: Help!
« Reply #1 on: April 02, 2012, 05:05:01 pm »
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Sin 4pi is located on the positive x axis. On the unit circle the value of this angle would be 0. As the values of sin, i.e the y axis are 0 on the x axis.
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Stick

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Re: Help!
« Reply #2 on: April 03, 2012, 09:43:51 am »
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When you do these questions make sure you draw out a diagram. I know a lot of people can't be bothered and think it's a waste of time, but a quick sketch only takes a few seconds and it really helps you out.
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anjesa

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Re: Help!
« Reply #3 on: April 03, 2012, 10:10:55 am »
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Thanks I get it now!
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pi

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Re: Help!
« Reply #4 on: April 04, 2012, 05:29:41 pm »
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Quote from: Stick on April 03, 2012, 09:43:51 am
When you do these questions make sure you draw out a diagram. I know a lot of people can't be bothered and think it's a waste of time, but a quick sketch only takes a few seconds and it really helps you out.

Mental diagrams ftw :D
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