Inactive Tutor answered 08/02/22
Tutor
New to Wyzant
cos(x -π/3) - sin(x + π/6) = cos(x - π/3) - cos(π/2 - (x + π/6)) = cos(x - π/3) - cos(π/3 - x) = cos(x - π/3) -
cos(x - π/3) = 0'
Harris S.
asked 08/02/22Prove an identity
cos(x - pi/3) - sin(x + pi/6) = 0
Use the Addition and Subtraction Formulas, and simplify.
Inactive Tutor answered 08/02/22
cos(x -π/3) - sin(x + π/6) = cos(x - π/3) - cos(π/2 - (x + π/6)) = cos(x - π/3) - cos(π/3 - x) = cos(x - π/3) -
cos(x - π/3) = 0'
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