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Please help with this problem i’m stuck

Please help with this problem i’m stuck
asked 150k views
0 votes
Please help with this problem i’m stuck

Please help with this problem i’m stuck-example-1
asked
User Mrtsherman
by
7.6k points

1 Answer

6 votes

Answer:


1 - { \cos}^(2) (x) + 2 \cos(x) - 2 = 0


{ \cos}^(2) (x) - 2 \cos(x) + 1 = 0

(cos(x) - 1)² = 0

cos(x) - 1 = 0

cos(x) = 1

answered
User Erkan Erol
by
8.4k points
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