Question:
What is ydx∫ equal to?
What is ydx∫ equal to?
Options:
- a) tan x c2
- b) cot x c2
- c) tan x c2
- d) cot x c2 where c is the constant of integration. Direction for Questions (103-104): Consider the following for the two (02) items that follow: Let the function f(x) = sin[x], where [.] is the greatest integer function and g(x) = [x].
- a) tan x c2
- b) cot x c2
- c) tan x c2
- d) cot x c2 where c is the constant of integration. Direction for Questions (103-104): Consider the following for the two (02) items that follow: Let the function f(x) = sin[x], where [.] is the greatest integer function and g(x) = [x].
correct answer : b)
Explanation:
I = ∫ ydx = 1
2
2cosec 2
x dx∫
=
– 1
22
1
2
cotx
+ C
= -+cot x C2
I = ∫ ydx = 1
2
2cosec 2
x dx∫
=
– 1
22
1
2
cotx
+ C
= -+cot x C2