Question

2 sinx+18 cos' - 2 cos4 x +18 sinx = 1 is
18. The number of roots of re[0,2 c) for which
1) 2
2) 6
3) 4
4) 8​

Answer 1

Answer:

2 sinx+18 cos' - 2 cos4 x +18 sinx = 1 is

18. The number of roots of re[0,2 c) for which

1) 2

2) 6

3) 4

4) 8