Class 11th Maths – RD Sharma Chapter 7 : Value of Trigonometric Functions at Sum or Difference of Angles – Exercise 7.1 Solutions If sin A = 4/5 and cos B = 5/13 , where 0 < A, B < π/2 , find the values of the following: (i) sin (A + B) (ii)
Class 11th Maths – RD Sharma Chapter 6 : Graph of Trigonometric Functions – Exercise 6.2 Solutions Sketch the graphs of the following trigonometric functions: (i) f(x) = cos (x − π/4) Watch Solution (ii) g(x) = cos (x + π/4) Watch Solution (iii) h(x) = cos²
Class 11th Maths – RD Sharma Chapter 6 : Graph of Trigonometric Functions – Exercise 6.3 Solutions Sketch the graphs of the following functions: f(x) = 2 cosec πx Watch Solution f(x) = 3 sec x Watch Solution f(x) = cot 2x Watch Solution f(x) = 2 sec πx Watch Solution f(x) = tan² x
Class 11th Maths – RD Sharma Chapter 6 : Graph of Trigonometric Functions – Exercise 6.1 Solutions Sketch the graphs of the following functions: (i) f(x) = 2 sin x, 0 ≤ x ≤ π Watch Solution (ii) g(x) = 3 sin (x − π/4), 0 ≤ x ≤ 5π/4 Watch Solution (iii)
Class 11th Maths – RD Sharma Chapter 5 : trigonometric Functions Fill in the Blanks Type Questions (FBQs) Solutions The value of (sin 70°)/(sin 110°) is________ Watch Solution The value of (cos 50°)/(cos 130°) is________ Watch Solution The values of f(x) = 2sin√(x^2 + x + 1) lie in the interval ________ Watch Solution If sin
Class 11th Maths – RD Sharma Chapter 5 : trigonometric Functions Multiple Choice Questions (MCQs Solutions Mark the correct alternative in each of the following: If tan x = x − 1/4x , then sec x − tan x is equal to(a) −2x , 1/2x(b) −1/2x , 2x(c) 2x(d) 2x , 1/2x Watch Solution If
Class 11th Maths – RD Sharma Chapter 1 : Sets Exercise 1.2 Solutions (Step-by-Step Guide) Describe the following set in Roster form : (i) {x:x is a letter before e in the English alphabet}. (ii) {x∈N : x^2 less than 25}. (iii) {x∈N : x is a prime number, 10 less than x less than
Class 11th Maths – RD Sharma Chapter 5 : trigonometric Functions Exercise 5.3 Solutions Find the values of the following trigonometric ratios: (i) sin 5π/3 Watch Solution (ii) sin 17π Watch Solution (iii) tan 11π/6 Watch Solution (iv) cos (−25π/4) Watch Solution (v) tan 7π/4 Watch Solution (vi) sin 17π/6 Watch Solution (vii) cos 19π/6 Watch
Class 11th Maths – RD Sharma Chapter 1 : Sets Exercise 1.1 Solutions What is the difference between a collection and a set ? Give reasons to support your answer ? Watch Solution Which of the following collections are sets? Justify your answer: (i) A collection of all natural numbers less than 50. (ii) The collection
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