Answer:
b includes a in it this is a full sentense
sin70°
Step-by-step explanation:
Given sin110° where 110° is an obtuse angle in the second quadrant.
The related acute angle in the first quadrant is 180° - 110° = 70°
Thus
sin110° = sin70°
Answer is -21 1/3
-15 2/3
+ -5 2/3
-------------
Answer is 21 1/3
it would be one
i think its transitive
