(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Im confused about something. Ill post the answer sheet to a question. It has all the data you need. BELOW:

NOW... for Tangential component of the acceleration, WHY did they pick cos?

and for Radial, WHY did they pick sin? Im starting to do alot of FBD to equations also, and having trouble understanding picking between sin and cos ?

2. Relevant equations

3. The attempt at a solution

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# Tangential and Radial acceleration - Sin and Cos simple question!

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