# Question: the equation cos2 dcos e 0 has...

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The equation cos2Θ + dcosΘ + e = 0 has solutions Θ = 0, π/3, 5π/3, 2π in the interval 0 ≤ Θ ≤ 2π. What are the values of d and e?

MHF4UB(Advanced functions)

The equation cos2Θ + dcosΘ + e = 0 has solutions Θ = 0, π/3, 5π/3, 2π in the interval 0 ≤ Θ ≤ 2π. What are the values of d and e?

MHF4UB(Advanced functions)