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Find all solutions to the equation. cos^2x + 2 cos x + 1 = 0

Find all solutions to the equation. cos^2x + 2 cos x + 1 = 0
asked 131k views
15 votes
Find all solutions to the equation.
cos^2x + 2 cos x + 1 = 0

asked
User Lpacheco
by
8.4k points

1 Answer

5 votes

Answer:

take a picture of the problem

answered
User Tim Yu
by
8.4k points
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