Answer:
C i think
Step-by-step explanation:
Step-by-step explanation:
cosB=4/5
B=36.86°
Hope it helps u
Answer:
.
Step-by-step explanation:
Given the zeroes of the polynomial are
a=-i . and b=3i
The recquired polynomial is 
On substituting the values of a and b we get


. (∵
)
It should be 715, i don’t understand why that isn’t one of the choices.
you’re supposed to multiply everything