<span>2 cos theta = 1
Cos theta = 1/2
Inverse of cos (1/2) = 60 and 300 in degrees.
In radians we have
60 * pi/180 = 1.05
300 * pi/180 = 5.24</span>
Answer:
1/3
Step-by-step explanation:
a1=27
a2=9
common ratio=a2/a1=9/27=1/3
Answer:
Angles 5 & 8 will be the same as the top.
Angles 1, 4, 5 and 8 equal the same.
Angle 8 = 115°
Looks like it may be asking you to convert it to a fraction or percent. 7/20 or .35