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hawkfalcon
 4 years ago
What is x in this equation?
hawkfalcon
 4 years ago
What is x in this equation?

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hawkfalcon
 4 years ago
Best ResponseYou've already chosen the best response.1\[\cos^2x +3cosx+2 = 0\]

hawkfalcon
 4 years ago
Best ResponseYou've already chosen the best response.1Oh then its just a quadratic :O

hawkfalcon
 4 years ago
Best ResponseYou've already chosen the best response.1:P What happens to the cos though? Do it after?

Mimi_x3
 4 years ago
Best ResponseYou've already chosen the best response.1u^2 + 3u + 2 = 0 solve for u then later sub it back in btw is it only me that latex is not working?

hawkfalcon
 4 years ago
Best ResponseYou've already chosen the best response.1Okay, thank you. I think its just you:O

hawkfalcon
 4 years ago
Best ResponseYou've already chosen the best response.1I can't believe I didn't see it was just a simple quadratic *.*

Mimi_x3
 4 years ago
Best ResponseYou've already chosen the best response.1well using a substitution is easier; at times when you see like the x squared; there is a high chance that its a quadratic. so use a substitution.

hawkfalcon
 4 years ago
Best ResponseYou've already chosen the best response.1Alright! Thank you so much:D
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