1. Chapter 8 Class 10 Introduction to Trignometry
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Question 3 - Examples - Chapter 8 Class 10 Introduction to Trignometry

Last updated at Dec. 13, 2024 by Teachoo

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Question 3 Express cot 85° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°. cot 85° + cos75° = cot (90° − 5) + cos (90° − 15°) = tan 5° + sin 15° Hence required value is tan 5° + sin 15°
  1. Chapter 8 Class 10 Introduction to Trignometry
  2. Serial order wise

    3. Examples

    Case Based Questions (MCQ) →
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Chapter 8 Class 10 Introduction to Trignometry
Serial order wise

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo