-1 1 sin 1 sincot 21 sin 1 sin | x | x | x | |---|---|---| x x   + + − =  + − −  , 0, 4x π ∈  

Question

-1 1 sin 1 sincot 21 sin 1 sin
| x | x | x |
|---|---|---|
x x   + + − =  + − −  , 0, 4x π ∈  

Accepted Answer

Full step-by-step solution available on this page.

Question 9