Verify -(-x)=x for x =12/15 please answer fast

-(-12/15) = 12/15

Step-by-step explanation:

-(-x) = x

Two minuses, one minus outside the bracket and one inside, make a positive. Thus:

-(-12/15) = 12/15

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: