1) 1/8 2) 1/16 3) 1/32 4) 1/64 Answer: (4) 1/64 Solution: sin π/14 sin 3π/14 sin 5π/14 sin 7π/14 sin 9π/14 sin 11π/14 sin 13π/14 =... View Article
1) √2 cos θ, √2 sin θ 2) √2 sin θ, √2 cos θ 3) √2 sin θ, √2 sin θ 4) √2 cos θ, √2 cos θ Answer: (1) √2 cos θ, √2 sin θ Solution:... View Article
In terms of weight, whatever object is under it, a compressed spring can weigh more. Its gravity plus the compressive force acting on the spring... View Article
Covalent compounds tend to be soft and relatively flexible. The exchange of electrons between atoms of the same or different elements forms... View Article
As a molecule, NaCl is not considered. In a chemical element or compound, a molecule is the smallest particle that has the chemical properties of... View Article
