KC Sinha: Exercise 6.4 - Mathematics Solution Class 11 Chapter 6 त्रिकोणमितीय फलन
[mathjax] त्रिकोणमितीय फलन (Trigonometric function) Exercise 6.4 KC Sinha Solutions KC Sinha Class 11 Solutions
Your authentic hub for 29 State Boards, Central Boards (CBSE, CISCE, NIOS), verified school admissions, timetable notifications, and NCERT Solutions from Class 1 to 12.
Official curriculums, examinations, question papers, and timetable notices for India's premier national school boards.
Class 10 & 12 Date Sheets, NCERT Curriculums, Model Question Papers, Sample Papers & Results.
ICSE Class 10 & ISC Class 12 Syllabus, Specimen Papers, Timetables & Board Exam Results.
Secondary (10th) & Senior Secondary (12th) Open School Admissions, Hall Tickets, Tutor Marks & Results.
There are total 29 boards that conduct examinations at the state level. Apart from dates and links to check results and timetables, we provide official question papers, model papers, and preparation tips.
Chapter-wise verified textbook solutions prepared by expert subject faculties for CBSE and state board students.
Comprehensive solutions for prominent reference authors along with National Talent Search and scholarship examination guidelines.
Step-by-step Math solutions for Classes 6 to 12
Comprehensive Algebra, Geometry & Calculus
Concepts of Physics Part 1 & 2 for JEE/NEET
ICSE & ISC Understanding Mathematics
Physics, Chemistry & Biology for Classes 9 & 10
Chapter-wise Objective Questions with Answers
National Means-cum-Merit Scholarship Scheme Guide
National Talent Search Exam Stages & Syllabus
Essential formulas, theorems and equations
Stay updated with newly released admit cards, board exam timetables, model papers, and admission guidelines.
[mathjax] त्रिकोणमितीय फलन (Trigonometric function) Exercise 6.4 KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] Exercise 6.3 Question 1 Sol : $\because \sin 2 A=\frac{2 \tan A}{1+\tan ^{2} A}$ $\sin 2 \theta=\frac{2 \tan \theta}{1+\tan ^{2} \theta}$...
[mathjax] (i) साबित करे कि (Prove that) sin65°+cos65°=√2cos20° Sol : L.H.S =sin65°+cos65° =sin65°+sin(90°-65°) =sin65°+sin25° ∵$\left[\begin{array}{c} \sin C+\sin D =2 \sin \frac{C+D}{2} \cos...
[mathjax] KC Sinha Mathematics Solution Class 11 Chapter 6 त्रिकोणमितीय फलन (Trigonometric function) Exercise 6.1 KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] Question 1 निम्नलिखित तादात्म्यों को सिद्ध करें (Prove the following identities) (i) cos θ. tanθ=sin θ Sol : (i) L.H.S$=cos \theta . tan \theta$ $\require{cancel} =\cancel{cos \theta}...
[mathjax] Question 1 [Find the radian measure corresponding to the following degree measures]: Note: रेडियन माप=$\dfrac{\pi}{180^{\circ}}\times $डिग्री माप (i) 105° Sol : रेडियन...
[mathjax] Question 1 जाँच कीजिए कि निम्नलिखित संबंधो मे कौन फलन है? यदि वे फलन है तो उनके प्रांत तथा परिसर ज्ञात कीजिए। (i) f={(1,4),(2,3),(3,4),(4,3)} (ii) g={(2,5),(-1,0),(1,6)} (iii)...
[mathjax] Question 1 (i) माना कि A={2,4,8},R={(2,4),(4,8),(8,16)}से परिभाषित कीजिए । क्या A पर R एक संबंध है ? Sol : R={(2,4),(4,8),(8,16)} 16∉A ∴R,A पर एक संबंध नही है (ii) मान लीजिए कि...
[mathjax] KC Sinha Mathematics Solution Class 11 Chapter 2 संबंध (Relation) Exercise 2.1 KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] TYPE-I दो समुच्चयो के वेन आरेख पर आधारित व्यावहारिक प्रश्न : Question 1 यदि A और B दो ऐसे समुच्चय है कि n(A∪B)=50 , n(A)=28 और n(B)=32 , तो n , n(A∩B) ज्ञात कीजिए । Sol :...
[mathjax] Exercise 1.2 TYPE-I Question 1 Make correct statements by filling the symbols ⊆ or ⊈ in the blank spaces (i) {a,b,c}..{b,c,d} Sol : ⊈ (ii) {2,3,4}..{1,2,3,4,5} Sol : ⊆ (iii)...