Answer:
θ = π/2
Explanation:
2 csc θ = 3 csc θ − csc θ sin θ
Cosecant is the inverse of sine, so the last term is 1:
2 csc θ = 3 csc θ − 1
Combine like terms:
1 = csc θ
Take the inverse and flip sides:
sin θ = 1
Solve for θ given the domain:
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