Check sibling questions

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

Ex 3.1, 2 - Chapter 3 Class 11 Trigonometric Functions - Part 5
Ex 3.1, 2 - Chapter 3 Class 11 Trigonometric Functions - Part 6

This video is only available for Teachoo black users

Get live Maths 1-on-1 Classs - Class 6 to 12


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

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.