Question

The solution set of (2 cos x - 1)(3+ 2 COS X)= in the interval 0 < x < 2īt is - (D) None of these

JEE/Engineering Exams

Maths

Solution

117

4.0 (1 ratings)

( (2 cos x-)(3+2 cos x)=0 ) ( A+cos x ) cant ve equal ( t_{0}-3, a_{2}-k cos leq 1 ) ( therefore quad cos x=1 / 2 quad therefore quad x=pi / 3,5 pi / 3 )