Cos Ф - cos Ф.sin² Ф
sin² Ф = 1 - cos² Ф
cos Ф - cos Ф( 1-cos² Ф) = cos Ф - cos Ф - cos³ Ф = cos³ Ф
cos Ф - cos Ф.sin² Ф = cos³ Ф
Answer: 7892
explanation: add each number individually left to right. 4+3 , 2+6 , 9+0 , 0+2
The answer is 3x^2 + 19x - 12.
First, find the area of the plot:
25*10=250
1000/250 is 4
the population density is 4 squirrels per square foot.
