JAMB Mathematics 2025 Objective — Question 17
Question 17 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2025 Objective paper, with the correct answer and a full explanation.
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If sinθ+cosθ=√2, find sinθcosθ.
- A. √2/2
- B. 3/4
- C. 1/4
- D. 1/2Correct
Explanation
Squaring: 1+2sinθcosθ=2, so sinθcosθ=1/2.
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