Answer:
32
Step-by-step explanation:
Synthetic fibers are made from raw materials such as petroleum, based on chemicals or petrochemicals [20]. These materials are polymerized into a long, linear chemical with different chemical compounds and are used to produce various types of fibers.
Answer:
b
Step-by-step explanation:
Using the trigonometric identity
• sin²x + cos²x = 1 , hence
cosx = ± 
cosΦ > 0 for 0 < Φ < 
cosΦ =
=
=
=
→ b
Step-by-step explanation:
you're going to have to set up two expressions since it's an absolute value problem
Answer:
I' would say A but C could be a possibility.
Step-by-step explanation: