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Question 200007
JEE Mathematics · Easy

Trigonometry: Quadrant Signs MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Quadrant SignsEasyQuestion 200007

Question

In the second quadrant (90° < θ < 180°), which of the following is positive?
  1. A
    cos θ
  2. B
    sin θ
    Correct
  3. C
    tan θ
  4. D
    sec θ

Correct answer

sin θ

Explanation

In Q2: sin is positive; cos, tan, sec, cot are negative. Use CAST (or All-Sin-Tan-Cos) mnemonic.

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