Cos(60) = cos(90 - 30) = sin(30) = 1/2
This should be what you want.
I believe the answer is the last option choice.
5. B, The answer is the only one that is false
6. G, Only reasonable answer
7. D, 3/5 is equivelant to 180/300
Hope this helps :D
We can solve this problem by the rule of three.
A complete pie chart has 360º.
45º----------------------6 people
360º-------------------- x
x=(360º*6 people) / 45º=48 people.
Answer; 48 people.
