MathematicsTrigonometryJAMB
If sin θ = 3/5 and θ is acute, find cos θ.
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Answer: B. 4/5
Using the 3-4-5 triangle, the adjacent side is 4, so cos θ = 4/5.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.