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nevsk [136]
3 years ago
10

\cos {}^{2} = 1" align="absmiddle" class="latex-formula">


​
Mathematics
1 answer:
Furkat [3]3 years ago
6 0

Yo sup??

4cos²x=1

cos²x=1/4

cosx=±1/2

x=π/3 or x=2π/3

Hope this helps.

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