1.

Find the range of `f(x)=1/(5sinx-6)`

Answer» `-1lesinxle1`
or `-5le 5sinxle5`
or -11le5sinx-6le-1`
or -1le1/(5sinx-6)le-1//11`
or `1/(5sinx-6)in[-1,-1//11]`


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