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 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 5 : trigonometric Functions Exercise 5.2 Solutions Find the values of the other five trigonometric functions in each of the following: (i) cot x = 12/5 , x in quadrant III Watch Solution (ii) cos x = −1/2 , x in quadrant II
Class 11th Maths – RD Sharma Chapter 5 : trigonometric Functions Exercise 5.1 Solutions Prove the following identity : sec⁴x – sec²x = tan⁴x + tan²x Watch Solution Prove the following identity : sin⁶x + cos⁶x = 1 – 3 sin²x cos²x Watch Solution Prove the following identity : (cosec x – sin x) (sec
Class 11th Maths – RD Sharma Chapter 4 : Measurement Of Angles Multiple Choice (MCQs) Solutions Mark the correct alternative in each of the following: If D, G and R denote respectively the number of degrees, grades and radians in an angle, then (a) D/100 = G/90 = 2R/π(b) D/90 = G/100 = R/π(c) D/90
Class 11th Maths – RD Sharma Chapter 4 : Measurement Of Angles Exercise 4.1 Solutions Find the degree measure corresponding to the following radian measures (Use π = 22/7) :(i) 9π/5 Watch Solution(ii) − 5π/6 Watch Solution(iii) (18π/5)^c Watch Solution(iv) (− 3)^c Watch Solution(v) 11^c Watch Solution(vi) 1^c Watch Solution Find the radian measure corresponding
Class 11th Maths – RD Sharma Chapter 3 : Functions Multiple Choice Questions (MCQs) Solutions Mark the correct alternative in each of the following: Let A = {1, 2, 3}, B = {2, 3, 4}, then which of the following is a function from A to B? (a) {(1, 2), (1, 3), (2,
Class 11th Maths – RD Sharma Chapter 3 : Functions Exercise 3.4 Solutions Let f(x) = 2x + 5 and g(x) = x^2 + x, Describe (i) f+g (ii) f-g (iii) fg (iv) f/g find the domain in each case. Watch Solution Find f+g, f-g, cf ( c ∈ R, c ≠ 0), fg, 1/f and