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MathsJEE Main 23 Jan 2026, Shift 2·Q13·MCQ·Easy–moderate

Trigonometry · Range of trigonometric expressions

The least value of (cos⁡2θ−6sin⁡θcos⁡θ+3sin⁡2θ+2)(\cos^2\theta - 6\sin\theta\cos\theta + 3\sin^2\theta + 2) is
  1. (1)−1-1
  2. (2)4+104 + \sqrt{10}
  3. (3)4−104 - \sqrt{10}
  4. (4)1

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