Answer:
Law of Cosines
In trigonometry, the law of cosines relates the lengths of the sides of a triangle to the cosine of one of its angles
Answer:
Thomson ----------- \ /--------------------- Matter is made up of invisible atoms
Rutherford -------------|--|---------------------- Mass of an atom [in the center]
Dalton -------------|-/ /------------------ Electrons move in circular paths...
Bohr -------------|-----|------\ /------ Electrons exist in a cloud of probability.
Schrodinger -------------|----/ \----|------ Atoms contain Electrons
\----------------/