Class 11th Maths | Exercise 3.3 Q21 | Chapter 3 Trigonometric Functions | NCERT Solution 2024

Описание: Class 11th Maths | Exercise 3.3 Q21 | Chapter 3 Trigonometric Functions | NCERT Solution 2024

Welcome to Epselon! In this video, we solve Exercise 3.3, Question 21 from Chapter 3 of the NCERT Class 11 Maths textbook on Trigonometric Functions.

Join us for a detailed, step-by-step solution that simplifies the trigonometric concepts and identities involved in this question. Whether you're preparing for exams or just looking to strengthen your understanding of trigonometric functions, this video provides the clarity you need.

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Question 21 :
Prove the following:
cos4x+cos3x+cos2x/sin4x+sin3x+sin2x = cot3x

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NCERT Class 11 Maths | Chapter-wise Solved Solutions Playlist link:
   • NCERT Class 11 Maths | Chapter-wise Solved...  

Chapter 3 Trigonometric Functions
Exercise 3.1 :-
Link of Question 1:-    • Class 11 ex 3.1 q1 | class 11 exercise 3.1...  
Link of Question 2:-    • Class 11 ex 3.1 q2 | class 11 exercise 3.1...  
Link of Question 3:-    • Class 11 ex 3.1 q3 | class 11 exercise 3.1...  
Link of Question 4:-    • Class 11 ex 3.1 q4 | class 11 exercise 3.1...  
Link of Question 5:-    • Class 11 ex 3.1 q5 | class 11 exercise 3.1...  
Link of Question 6:-    • Class 11 ex 3.1 q6 | class 11 exercise 3.1...  
Link of Question 7:-    • Class 11 ex 3.1 q7 | class 11 exercise 3.1...  

Exercise 3.2 :-
Link of Question 1:-    • Class 11 ex 3.2 q1 | class 11 exercise 3.2...  
Link of Question 2:-    • Class 11 ex 3.2 q2 | class 11 exercise 3.2...  
Link of Question 3:-    • Class 11 ex 3.2 q3 | class 11 exercise 3.2...  
Link of Question 4:-    • Class 11 ex 3.2 q4 | class 11 exercise 3.2...  
Link of Question 5:-    • Class 11 ex 3.2 q5 | class 11 exercise 3.2...  
Link of Question 6:-    • Class 11 ex 3.2 q6 | class 11 exercise 3.2...  
Link of Question 7:-    • Class 11 ex 3.2 q7 | class 11 exercise 3.2...  
Link of Question 8:-    • Class 11 ex 3.2 q8 | class 11 exercise 3.2...  
Link of Question 9:-    • Class 11 ex 3.2 q9 | class 11 exercise 3.2...  
Link of Question 10:-    • Class 11 ex 3.2 q10 | class 11 exercise 3....  

Exercise 3.3 :-
Link of Question 1:-    • Class 11th Maths | Exercise 3.3 Q1 | Chapt...  
Link of Question 2:-    • Class 11th Maths | Exercise 3.3 Q2 | Chapt...  
Link of Question 3:-    • Class 11th Maths | Exercise 3.3 Q3 | Chapt...  
Link of Question 4:-    • Class 11th Maths | Exercise 3.3 Q4 | Chapt...  
Link of Question 5:-    • Class 11th Maths | Exercise 3.3 Q5 | Chapt...  
Link of Question 6:-    • Class 11th Maths | Exercise 3.3 Q6 | Chapt...  
Link of Question 7:-    • Class 11th Maths | Exercise 3.3 Q7 | Chapt...  
Link of Question 8:-    • Class 11th Maths | Exercise 3.3 Q8 | Chapt...  
Link of Question 9:-    • Class 11th Maths | Exercise 3.3 Q9 | Chapt...  
Link of Question 10:-    • Class 11th Maths | Exercise 3.3 Q10 | Chap...  
Link of Question 11:-    • Class 11th Maths | Exercise 3.3 Q11 | Chap...  
Link of Question 12:-    • Class 11th Maths | Exercise 3.3 Q12 | Chap...  
Link of Question 13:-    • Class 11th Maths | Exercise 3.3 Q13 | Chap...  
Link of Question 14:-    • Class 11th Maths | Exercise 3.3 Q14 | Chap...  
Link of Question 15:-    • Class 11th Maths | Exercise 3.3 Q15 | Chap...  
Link of Question 16:-    • Class 11th Maths | Exercise 3.3 Q16 | Chap...  
Link of Question 17:-    • Class 11th Maths | Exercise 3.3 Q17 | Chap...  
Link of Question 18:-    • Class 11th Maths | Exercise 3.3 Q18 | Chap...  
Link of Question 19:-    • Class 11th Maths | Exercise 3.3 Q19 | Chap...  
Link of Question 20:-    • Class 11th Maths | Exercise 3.3 Q20 | Chap...  
Link of Question 21:-    • Class 11th Maths | Exercise 3.3 Q21 | Chap...  
Link of Question 22:-    • Class 11th Maths | Exercise 3.3 Q22 | Chap...  
Link of Question 23:-    • Class 11th Maths | Exercise 3.3 Q23 | Chap...  
Link of Question 24:-    • Class 11th Maths | Exercise 3.3 Q24 | Chap...  
Link of Question 25:-    • Class 11th Maths | Exercise 3.3 Q25 | Chap...  

Miscellaneous Exercise :-
Link of Question 1:-    • Class 11th Maths | Miscellaneous Exercise ...  
Link of Question 2:-    • Class 11th Maths | Miscellaneous Exercise ...  
Link of Question 3:-    • Class 11th Maths | Miscellaneous Exercise ...  
Link of Question 4:-    • Class 11th Maths | Miscellaneous Exercise ...  
Link of Question 5:-    • Class 11th Maths | Miscellaneous Exercise ...  
Link of Question 6:-    • Class 11th Maths | Miscellaneous Exercise ...  
Link of Question 7:-    • Class 11th Maths | Miscellaneous Exercise ...  
Link of Question 8:-    • Class 11th Maths | Miscellaneous Exercise ...  
Link of Question 9:-    • Class 11th Maths | Miscellaneous Exercise ...  
Link of Question 10:-    • Class 11th Maths | Miscellaneous Exercise ...  

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Keys :
cos4x+cos3x+cos2x/sin4x+sin3x+sin2x=cot3x,
prove that cos4x+cos3x+cos2x/sin4x+sin3x+sin2x=cot3x,

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