Can someone tell me what "a number that is at least 90"

at least, meaning, that number say "x", is at least 90, now, it could be 91, 92, 1,000, 1,000,000 or more, but it can't be 89 or 88 or 70 or anything less than 90, larger than 90 or 90 is fine, but not less than 90.

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

tap for more

y

=

−

2

find the upper bound of the range.

tap for more

y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation: