As conjunctions the difference between cos and bcos
is that cos is because while bcos is abbreviation of lang=en.
As a noun cos
is a variety of lettuce with long, crisp leaves.
As a proper noun Cos
is an island of the Dodecanese, Greece.
cos
Translingual
Symbol
(head)
a symbol of the trigonometric function cosine.
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bcos
English
Conjunction
(head)