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JAMB Mathematics 2025 Objective — Question 11

Question 11 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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What is the value of (1+sinθ)/(1-sinθ) when θ=45°?

  • A. 3+2√2Correct
  • B. 3-2√2
  • C. √2/2
  • D. 2-3√2

Explanation

sin45°=√2/2. Substituting and rationalising gives 3+2√2.

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