Based on the diagram, which equation can be simplified to derive the cosine sum identity?

Question

Revolt · Accepted Answer

square root of open paren cosine of open paren u plus v close paren minus 1 close paren squared plus open paren sine of open paren u plus v close paren minus 0 close paren squared end root

is equal to square root of open paren cosine of u minus cosine of negative v close paren squared plus open paren sine of u minus sine of negative v close paren squared end root

Practice Test

Based on the diagram, which equation can be simplified to derive the cosine sum identity?

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