Answer:
what u talking bout
Step-by-step explanation:
Answer:
and 
Step-by-step explanation:




and 
and 
See the graph for a visual of the x-intercepts.
the value of x is 90 degrees and the the value of y is 180 degrees
Answer:
Step-by-step explanation:
we assume that we starts with n=1
a(1)=3*1+7=10
a(2)=6+7=13
a(3)=9+7=16
a(4) will be 19, a(5)=22 and so on