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Determine the general solution of cos2X -7cosX -3=0​

Determine the general solution of cos2X -7cosX -3=0​
asked 235k views
4 votes
Determine the general solution of cos2X -7cosX -3=0​

asked
User Richardsun
by
8.4k points

1 Answer

5 votes

Answer:

x=2pi/3 +2pi n, 4pi/3 +2pi n for all integar of n.

Explanation:

answered
User Artuska
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