Question
Prove the identity.
cof(x+ 풍) + ain(x-) -。
Use the Addition and Subtraction Formulas, and simplify.
cod( x + =) + ain(x - =) - (cont)(L
cos(x)
sin
sin(x)
cos(x)
cos(x)
Expand
Transcribed Image Text

Prove the identity. cof(x+ 풍) + ain(x-) -。 Use the Addition and Subtraction Formulas, and simplify. cod( x + =) + ain(x - =) - (cont)(L cos(x) sin sin(x) cos(x) cos(x)

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