Ex 3.1, 2 - Chapter 3 Class 11 Trigonometric Functions - Part 4

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Ex 3.1, 2 - Chapter 3 Class 11 Trigonometric Functions - Part 5

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Ex 3.1, 2 - Chapter 3 Class 11 Trigonometric Functions - Part 6

  1. Chapter 3 Class 11 Trigonometric Functions (Term 2)
  2. Serial order wise

Transcript

Ex 3.1, 2 Find the degree measures corresponding to the following radian measures ("use " Ο€" = " 22/7) (ii) –4 We know that Radian measure = πœ‹/180 Γ— Degree measure βˆ’4 = πœ‹/180 Γ— Degree measure Degree measure = –4 Γ— 180/πœ‹ Degree measure = –4 Γ— 180/22 Γ— 7 Degree measure = –((4 Γ— 180 Γ— 7)/22) Degree measure = –(2520/11) = –("229" Β°" + " 1o/11) = –("229" Β°" + " (1/11 " Γ— 60" )^β€² ) = –("229" Β°" + " (60/11)^β€² " " ) = –("229" Β°" + 5 " γ€–5/11γ€—^β€² ) = –("229" Β°" + 5β€˜ + " (5 β€²)/11) = –("229" Β°" + 5β€˜ + " ((5 )/11 " Γ— 60" )^"β€˜β€™" " " ) = –("229" Β°" + 5β€˜ + " (300/11)^"β€˜β€™" " " ) = –("229" Β°" + 5β€˜ + " 300"β€˜β€™" /11) = –229Β° 5’ 27’’ nearly

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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.