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Tushar Tripathi
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Asked: 2025-02-19T06:11:40+00:00 In:

9 sec² A – 9 tan² A is equal to

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    1 Answer

    1. We know the trigonometric identity:
      sec²A – tan²A = 1.

      Thus:
      9(sec²A – tan²A) = 9(1) = 9.
      This question is associated with Chapter 8, “Introduction to Trigonometry,” from the Class 10th NCERT Mathematics textbook. Provide your answer in accordance with the concepts and understanding gained from this chapter.

      For more please visit here:
      https://www.tiwariacademy.in/ncert-solutions/class-10/maths/

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