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Dear ZZ

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

1. Here is a list of functions supported by excel, according to Microsoft:

https://support.office.microsoft.com/en-us/article/Math-and-trigonometry-functions-reference-6f9459d3-0c22-42fa-9e84-218c11325ecd?CorrelationId=004d02c1-00fd-4cd7-b60a-a7846b918e38&ui=en-US&rs=en-US&ad=US

Here is another list of all the trig functions supported:

http://www.excelfunctions.net/Excel-Math-Functions.html

2. Yes, there are many apps available. But it is not a straightforward search. You can go to playstore and other app shops to find them but there are many.

Here is an example:

http://www.7tutorials.com/create-edit-save-share-spreadsheet-office-windows-phon

Hope this will help you.

Electronics questions about AC, DC and digital theory.

Graduate electrical engineer with over 40 years in electronic design, manufacturing, project organization and patent review. Experience in fields of industrial and consumer electronics (audio, video, acoustics, etc.)**Organizations**

IEEE (Institute of Electrical and Electronics Engineers); Senior Life member
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BSEE University of North Dakota