Answer:
???????
Step-by-step explanation:
-25/12
first, you need a common denominator. in this case, it's 12.
-1/3=-4/12
-7/4=-21/12
and then you add
-4+-21=-25
so -25/12 is your answer
CscA = 1/sinACosACscA = cosA × 1/sinA = cosA/SinA = cotA
A. A construction is a figure drawn using only a straightedge and a compass