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Tushar Tripathi
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Asked: 2025-02-19T06:11:42+00:00 In:

If triangle ABC is right angled at C, then the value of cos (A + B) is

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      In a right-angled triangle ABC, with C as the right angle:
      A + B = 90° (since A + B + C = 180° and C = 90°).

      Thus, cos(A + B) = cos(90°) = 0.
      This question related to Chapter 8 Mathematics Class 10th NCERT. From the Chapter 8 Introduction to Trigonometry. Give answer according to your understanding.

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

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