/sci/ - Science & Math

Anonymous Mon Dec 8 17:40:32 2014 No.6934183 [View]
File: 59 KB, 620x470, Christmas-Present-22.jpg [View same] [iqdb] [saucenao] [google]

Was about to make a new thread for this but then i saw this thank god.

I need some help with trigonometry can someone explain how i am supposed to go on about this since not even wolframalpha seems to make sense to me.

I am supposed to simplify and only answer in two decimals.
sin(x+50)-sin(x-50)

Whoever manages to help me get's an early Christmas present.

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/sci/ - Science & Math

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