Need math help please

Aseldon32

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Apr 15, 2020
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We’ve been out of school cause of Covid and I have no idea how to do this will you please help/walk me through it
 

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We’ve been out of school cause of Covid and I have no idea how to do this will you please help/walk me through it
You'll need to post one problem/thread (specially when these are similar).

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You have posted 24 problems without showing any work!

Please show us what you have tried and exactly where you are stuck.

Please follow the rules of posting in this forum, as enunciated at:

https://www.freemathhelp.com/forum/threads/read-before-posting.109846/#post-486520

Please share your work/thoughts about this assignment/s.
 
We’ve been out of school cause of Covid and I have no idea how to do this will you please help/walk me through it
Let's start with the first one. Can you answer the questions if the function was just cos(x)? How should your answers change if it's now 3cos(x)? And 3cos(2x)?
 
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