CALLING THE BRAINIEST OF BRAINS (: this is a tough one please include work because I'd like to actually understand the problem, and also I have to show work on this assignment.

GIVE EXACT ANSWERS

1) sin (A-B)

2) cos (A-B)

3) tan (A-B) (dont rationalize the denominator please)

4) what quadrant of the unit circle is angle (A-B) in?

europa2433

europa2433

step-by-step explanation:

-1/2 +2

step-by-step explanation:

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: