
Abee M.
asked 02/21/24find all solutions
Find all solutions exactly on the interval 0 ≤ θ < 2 π
cos^2(0)-2=0
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1 Expert Answer

Mark M. answered 02/21/24
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
cos2 θ - 2 = 0
cos2 θ = 2
cos θ = ±√2
-1 ≤ cos θ ≤ 1!
Check your post for accuracry.
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Paul M.
02/21/24