Answer:
I Think 0x2 Or 4x + x3 I'm not 100% Sure
Step-by-step explanation:
I Tried..
Answer:α
=
71
°
:
explain:
From trigonometry we have:
cos
α
7
21
(
)
and:
a
r
c
70.5
≈
∘
Its the second one :)