Trigonometric EquationHard
Question
|sin x| dx isOptions
A.20
B.8
C.10
D.18
Solution
|sin x| dx = 10 
sin x dx + 
sin x dx 
= 10 × [cosx]0π/2 + [cos x]ππ/2 ; 10[1 + 1] = 10 × 2 = 20
Create a free account to view solution
View Solution Free|sin x| dx is|sin x| dx = 10 sin x dx + sin x dx = 10 × [cosx]0π/2 + [cos x]ππ/2 ; 10[1 + 1] = 10 × 2 = 20