<span>Sin (x) = Cos (90 - x)</span>
<span>sin(2A) = cos (90 - 2A)
=cos (3A)
90 - 2A = 3A
5A=90
A=18</span>
Answer:
V=160cm^3
Step-by-step explanation:
V=lhw
V=5•4•8
V=20•8
V=160cm^3
^-^ your welcome
Use the distributive property.
4(4a + 5) = 4 * 4a + 4 * 5 = 16a + 20
Answer: 16a + 20
Prime numbers are numbers that can only be factored by one and itself. Since 27 has factors: 1,3,9, and 27, it is a composite number
:)