Homework help please.
Thank you,
Benny
cos2θ=√ 2 / 2
2θ = +/-π/4 + 2k π
θ = +/-π/8 + k π
In (0, 2π), θ = π/8, 7π/8, 9π/8, 15π/8,
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cos2θ=√ 2 / 2
2θ = +/-π/4 + 2k π
θ = +/-π/8 + k π
In (0, 2π), θ = π/8, 7π/8, 9π/8, 15π/8,