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Ambition
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Find all solutions in the interval [0, 2π).
4 sin2 x  4 sin x + 1 = 0
 one year ago
 one year ago
Ambition Group Title
Find all solutions in the interval [0, 2π). 4 sin2 x  4 sin x + 1 = 0
 one year ago
 one year ago

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Callisto Group TitleBest ResponseYou've already chosen the best response.0
Do you mean\[4 sin^2 x  4 sin x + 1 = 0\]?
 one year ago

Ambition Group TitleBest ResponseYou've already chosen the best response.0
yes sorry
 one year ago

Callisto Group TitleBest ResponseYou've already chosen the best response.0
Nope :) Treat sinx as a, you'll get 4a^2  4a +1 =0 Can you solve this equation?
 one year ago

Ambition Group TitleBest ResponseYou've already chosen the best response.0
not really
 one year ago

Callisto Group TitleBest ResponseYou've already chosen the best response.0
Can you factorize the left side?
 one year ago

Callisto Group TitleBest ResponseYou've already chosen the best response.0
Hint: use \(a^2 2ab +b^2 = (ab)^2\)
 one year ago
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