The instructor of a discrete mathematics class gave two tests. Thirty-five percent of the students received an A on the first test and 21% of the students received A's on both tests. What percent of the students who received A's on the first test also received A's on the second test

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:

a

step-by-step explanation:

2

step-by-step explanation: