Last updated at March 8, 2017 by Teachoo

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Ex3.1, 2 Find the degree measures corresponding to the following radian measures (use Ο = 22/7) 11/16 We know that Radian measure = π/180 Γ Degree measure 11/16 = π/180 Γ Degree measure 11/16 Γ 180/π = Degree measure Degree measure = 11/16 Γ 180/π Degree measure = 11/16 Γ 180/22 Γ 7 = (11 Γ 180 Γ 7)/(16 Γ 22) = (1 Γ 90 Γ 7)/(8 Γ 2) = (1 Γ 45 Γ 7)/(4 Γ 2) = 315/8 = 39Β° + 3/8 Β° = 39Β° + (3/8 Γ60)^β² = 39Β° + (45/2)^β² = 39Β° + ("22" 1/2)^β² = 39Β° + (22)β + (1/2)^β² = 39Β° + (22)β + (1/2 Γ60)^β²β² = 39Β° + (22)β + (30)ββ = 39Β° 22β 30ββ Ex3.1, 2 Find the degree measures corresponding to the following radian measures (use Ο = 22/7) (ii) β 4 We know that Radian measure = π/180 Γ Degree measure β - 4 = π/180 Γ Degree measure β Degree measure = β4 Γ 180/π β Degree measure = β 4 Γ 180/22 Γ 7 β Degree measure = β ((4 Γ 180 Γ 7)/22) β Degree measure = β (2520/11) = β ( 229o + 1o/11 ) = β ( 229o + ( 1/11 Γ 60)β ) = β ( 229o + (60/11)β ) = β ( 229o + 5 5/11 β ) = β ( 229o + 5β + (5 β²)/11 ) = β ( 229o + 5β + ( (5 )/11 Γ 60 ) ββ ) = β ( 229o + 5β + ( 300/11) ββ ) = β ( 229o + 5β + 300"ββ" /11 ) = β 229o 5β 27ββ nearly Ex 3.1, 2 Find the degree measures corresponding to the following radian measures(use Ο = 22/7) (iii) 5π/3 We know that Radian measure = π/180 Γ Degree measure. 5π/3 = π/180 Γ Degree measure. 5π/3 Γ π/180 = Degree measure. (5 Γ π Γ180)/(3 Γ π) = Degree measure. 5 Γ 60 = Degree measure. 300 = Degree measure Degree measure = 300Β° Ex3.1, 2 Find the degree measures corresponding to the following radian measures (use Ο = 22/7) (iv) 7π/6 We know that Radian measure = π/180 Γ degree measure. 7π/6 = π/180 Γ degree measure. 7π/6 Γ 180/π = degree measure. (7 Γ π Γ180)/(6 Γ π) = degree measure. 210 = Degree measure. Degree measure = 210Β°

Ex 3.1, 1
Important

Ex 3.1, 2 Important You are here

Ex 3.2, 7 Important

Ex 3.2, 8 Important

Ex 3.2, 9 Important

Ex 3.3, 4 Important

Ex 3.3, 5 Important

Ex 3.3, 8 Important

Ex 3.3, 11 Important

Ex 3.3, 18 Important

Ex 3.3, 23 Important

Ex 3.3, 21 Important

Example 24 Important

Ex 3.4, 4 Important

Ex 3.4, 8 Important

Ex 3.4, 9 Important

Example 27 Important

Example 28 Important

Misc 4 Important

Misc 7 Important

Class 11

Important Question for exams Class 11

- Chapter 1 Class 11 Sets
- Chapter 2 Class 11 Relations and Functions
- Chapter 3 Class 11 Trigonometric Functions
- Chapter 4 Class 11 Mathematical Induction
- Chapter 5 Class 11 Complex Numbers
- Chapter 6 Class 11 Linear Inequalities
- Chapter 7 Class 11 Permutations and Combinations
- Chapter 8 Class 11 Binomial Theorem
- Chapter 9 Class 11 Sequences and Series
- Chapter 10 Class 11 Straight Lines
- Chapter 11 Class 11 Conic Sections
- Chapter 12 Class 11 Introduction to Three Dimensional Geometry
- Chapter 13 Class 11 Limits and Derivatives
- Chapter 14 Class 11 Mathematical Reasoning
- Chapter 15 Class 11 Statistics
- Chapter 16 Class 11 Probability

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 7 years. He provides courses for Mathematics and Science from Class 6 to 12. You can learn personally from here https://www.teachoo.com/premium/maths-and-science-classes/.