Stephanie S. answered 10/09/19
MA in Mathematics with 10+ Years of Tutoring and Teaching Experience
The main part of the question is knowing the relationship between sin(θ) and csc(θ). This is one of those reciprocal identities, namely, csc(θ)=1/sin(θ). Does that look familiar? If you have this identity, and use the given information about sin(θ), do you see how to finish the problem?