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hawkfalconBest ResponseYou've already chosen the best response.1
\[\cos^2x +3cosx+2 = 0\]
 one year ago

hawkfalconBest ResponseYou've already chosen the best response.1
Oh then its just a quadratic :O
 one year ago

hawkfalconBest ResponseYou've already chosen the best response.1
:P What happens to the cos though? Do it after?
 one year ago

Mimi_x3Best ResponseYou've already chosen the best response.1
u^2 + 3u + 2 = 0 solve for u then later sub it back in btw is it only me that latex is not working?
 one year ago

hawkfalconBest ResponseYou've already chosen the best response.1
Okay, thank you. I think its just you:O
 one year ago

hawkfalconBest ResponseYou've already chosen the best response.1
I can't believe I didn't see it was just a simple quadratic *.*
 one year ago

Mimi_x3Best ResponseYou've already chosen the best response.1
well 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.
 one year ago

hawkfalconBest ResponseYou've already chosen the best response.1
Alright! Thank you so much:D
 one year ago
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