sin x 779) The values of x in (-2x, 2x), for which the graph of the function y sin x and y - + sec x, coincide are 1+ sinx (A) -2x.- 27 t 37 (B) 2 (D) (-2x, 25) - {+5, Ans. (А, С)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Q19

sin x
19
The values of x in (-2x, 2x), for which the graph of the function y
1-sinx
and y-
+ sec x, coincide are
1+ sin x
3n
-2A. -
27
2
(A)
T 3t
(B)
2
2 2
(D) [-2r, 2r] - {+
Ans.
(A, C)
3
x² +e
is (a, b),
20)
If the range of the function f(x)
cos| Ini
then
(A) a2 + b2 = 5
(B) b is a rational number
(C) a + b2 = sin 1 + cos 1
(D) b-al = x -6/+|x - 4| has no solutions for x
Ans.
(A, B, D)
Transcribed Image Text:sin x 19 The values of x in (-2x, 2x), for which the graph of the function y 1-sinx and y- + sec x, coincide are 1+ sin x 3n -2A. - 27 2 (A) T 3t (B) 2 2 2 (D) [-2r, 2r] - {+ Ans. (A, C) 3 x² +e is (a, b), 20) If the range of the function f(x) cos| Ini then (A) a2 + b2 = 5 (B) b is a rational number (C) a + b2 = sin 1 + cos 1 (D) b-al = x -6/+|x - 4| has no solutions for x Ans. (A, B, D)
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