1. Chapter 8 Class 10 Introduction to Trignometry (Term 1)
  2. Serial order wise
  3. Ex 8.3

Ex 8.3, 2 (ii) - Chapter 8 Class 10 Introduction to Trignometry (Term 1)

Last updated at Aug. 11, 2021 by

Ex 8.3, 2 - Chapter 8 Class 10 Introduction to Trignometry - Part 2

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  1. Chapter 8 Class 10 Introduction to Trignometry (Term 1)
  2. Serial order wise

    3. Ex 8.3

    Ex 8.4 →

Transcript

Ex 8.3, 2 Show that : (ii) cos 38 cos 52 sin 38 sin 52 = 0 Taking L.H.S cos 38 cos 52 sin 38 sin 52 = cos (90 52) cos (90 38) sin 38 sin 52 = sin 52 sin 38 sin 38 sin 52 = 0 = R.H.S L.H.S = R.H.S Hence proved

Chapter 8 Class 10 Introduction to Trignometry (Term 1)
Serial order wise

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.