How many values of \theta in the interval 0<\theta \leq 2 \pi satisfy
1-3 \sin \theta+5 \cos 3 \theta=0 ?
Answer Choices
A. 2
B. 4
C. 5
D. 6
E. 8
How many values of \theta in the interval 0<\theta \leq 2 \pi satisfy
Answer Choices
A. 2
B. 4
C. 5
D. 6
E. 8