Question
Mathematics Question on Trigonometry
The number of solutions of sin2x+4cosx= 2+ sinx, in [π- ,4π ] is
A
6
B
4
C
3
D
5
Answer
4
Explanation
Solution
The correct option is (B): 4
The number of solutions of sin2x+4cosx= 2+ sinx, in [π- ,4π ] is
6
4
3
5
4
The correct option is (B): 4