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HELP!

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I am stuck on these pre calc problems. We are supposed to use identities to reduce powers.

 

1. cos^2x-3/2cos2x=0

2. cos2x+4cosx=-3

3. sin2xcscx=1

 

PLEASE! Please give me steps. Thanks :)

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look man i would like an explenation. Thanks for the links but i was looking for someone on here who knows what they are. ;)

I'm pretty sure there is a thread for math problems on this forum.  You post, they solve.

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Oh you mean like a teacher hmmm... did you try the guy that issued you the work? I feel like i've done too much already. it's your math work and you want someone to do it for you and you want them to do it step by step. I am sure thats now how any of this works 

lol. Look i thanked you and i need an explanation because im trying to learn the problems....

Also i was trying to be nice about it but you have done literally nothing but paste links to websites that ask for my credit cards. As for my teacher he will explain a few but i doubt he will be happy with me trying to take up the entire class asking questions when he still has a lesson to teach. As for that last sentence sounds like you could use an English teacher...

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lol. Look i thanked you and im need an explanation because im trying to learn the problems....

Also i was trying to be nice about it but you have done literally nothing but paste links to websites that ask for my credit cards. As for my teacher he will explain a few but i doubt he will be happy with me trying to take up the entire class asking questions when he still has a lesson to teach. As for that last sentence sounds like you could use an English teacher...

use linda.com and use the offer code linus for a free trial and get your help there

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