(cos Ф -cos Ф)² + (cos Ф + cos Ф)²
Firstly: (cos Ф -cos Ф)² = 0² = 0
Secondly :(cos Ф + cos Ф)² = (2cos Ф)². = 4. (cos Ф)² = 4cos² Ф
Mind you when you raise a cosine (or sin or tan...) to the n power, the n power should affect the cosine only and NOT the angle Ф
There are 4.53592 kilograms in 10 lbs.
Answer:
D. 4
Step-by-step explanation:
x=2, y=4 on the graph
Therefore, f(2)=4
~
Hope this helps!
The two fractions are divisible by 2, can be broken down
