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Excel/Trigonometric identities in Excel Application.

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Dear Adelaide

http://en.wikipedia.org/wiki/List_of_trigonometric_identities
http://www.sosmath.com/trig/Trig5/trig5/trig5.html
http://en.wikipedia.org/wiki/Microsoft_Excel


1. Are all Trigonometric identities (functions,formulas etc)  available in Excel application for plotting graphs ?. Examples : Sec, Cosec, Cot, Sin(A+B), Cos(A+B), Tan(A-B), Sin(A-B), Cos(A-B), SIN2A, COS2A etc


2. Similar to Microsoft Excel applications for desktop, laptops machines are there Spreadsheet apps for Smartphones devices which will plot graphs of the above trigonometric identities ?.


Thanks & Regards,
Prashant S Akerkar

Answer
Hi Akerkar

How are you?

2nd question, I do not know. But I believe that Excel (almost fully) is available for tablets and smart phones

1st question, Sin x ax nd Cos are easy to plot. Please try

1. x= 0, 45, 90, 135, 180, 270, 360
2. convert x to radians
3. ompute Y=sin (x in radians)
4. Plot a Scatter Chart


Cheers
Adelaide  
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