Question

Question #b555e

Answer 1

`(3pi)/2 + 2kpi`

Explanation:

`2csc x + 7 = 5`
`2csc x = - 2`
`csc x = - 1`
`sin x = 1/(csc x) = 1/-1 = - 1`
sin x = -1 --> unit circle --> `x = (3pi)/2 + 2kpi`