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Excel/Trigonometric identities in Excel Application.

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Dear Aidan

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
I'm not a mathematician, so I don't use these functions - if you click the function button in Excel you can filter on the math and trig functions - this page lists them
https://support.office.microsoft.com/en-us/article/Math-and-trigonometry-functions-reference-6f9459d3-0c22-42fa-9e84-218c11325ecd?CorrelationId=d7ee7e62-b36b-4bc8-a6b7-4847b199abe8&ui=en-US&rs=en-001&ad=US

as to smartphone, this is outside my area of knowledge I'm afraid.
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Aidan Heritage

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I have provided first hand support since `95 for Microsoft Office majoring in Word and Excel - support for all versions from 2 onwards. I'm based in the UK, so please allow for time differences when asking me questions from other parts of the world!

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My background is in the insurance industry and call centre areas, but have been called upon to provide many varied solutions.

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I'm educated to UK A level standard, but as I left school some 30 years ago that is rather irrelevent - university of life has provided more of a background!

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