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Solve the Given Equation 2cos⁡2θ+5cos⁡θ−12=02 \cos ^ { 2 } \theta + 5 \cos \theta - 12 = 0

Question 25

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Solve the given equation. 2cos⁡2θ+5cos⁡θ−12=02 \cos ^ { 2 } \theta + 5 \cos \theta - 12 = 0

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