Give all the solution over the interval 0 less than or equal to theta less than 2pi to the following equation. 10csc^2 (theta) - 5 =15

Question

Please help. I’ve been stumped.

Answer 1

This is basic Algebra:

10 csc² θ - 5 = 15

10 csc² θ = 20

csc² θ = 2

csc θ = √2