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Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


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Ex 3.1, 2 Find the degree measures corresponding to the following radian measures ("use " π" = " 22/7) (i) 11/16 We know that Radian measure = 𝝅/𝟏𝟖𝟎 × Degree measure 11/16 = 𝜋/180 × Degree measure 11/16 × 180/𝜋 = Degree measure Degree measure = 𝟏𝟏/𝟏𝟔 × 𝟏𝟖𝟎/𝝅 Degree measure = 11/16 × 180/22 × 7 = (𝟏𝟏 × 𝟏𝟖𝟎 × 𝟕)/(𝟏𝟔 × 𝟐𝟐) = (1 × 90 × 7)/(8 × 2) = (1 × 45 × 7)/(4 × 2) = 𝟑𝟏𝟓/𝟖 = 39° + 〖𝟑/𝟖〗^° = 39° + (3/8 × 60)^′ = 39° + (𝟒𝟓/𝟐)^′ = 39° + ("22" 𝟏/𝟐)^′ = 39° + (22)’ + (𝟏/𝟐)^′ = 39° + (22)’ + (𝟏/𝟐 × 𝟔𝟎)^′′ = 39° + (22)’ + (30)’’ = 39° 22’ 30’’

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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.