Answer:
- [tex]\frac{7}{3}[/tex]
Step-by-step explanation:
Using the trigonometric identity
csc x = [tex]\frac{1}{sinx}[/tex]
Given
sinΘ = - [tex]\frac{3}{7}[/tex], then
cscΘ = [tex]\frac{1}{-\frac{3}{7} }[/tex] = - [tex]\frac{7}{3}[/tex]