UNILU Admission Test Practice Questions - Université De Lubumbashi Test D'Orientation Et D'Admission Exam

If sin(θ) = 3/5 and θ is in the first quadrant (0 < θ < π/2), what is the value of cos(2θ)?

7/25 24/25 1/5 4/5

Correct Answer:

7/25

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