Brainliest plsssssssss
plus 5 star rating
Thanks
Answer:
-0.4 or
Step-by-step explanation:
tan ( 2π-21.80)
but 2π = 360
Therefore our question becomes:
tan ( 360-21.80)=tan(338.2)= -0.4
Answer:20% more silver
X=5/9
Y=0.65
See below the following picture for the solution
1
hehe
The answer is C. Forclosure