Yefim S. answered • 02/23/24
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cos(41π/12) = cos(3π + 5π/12) = - cos5π/12 = - √(1 + cos5π/6)/2 = - √(1 - √3/2)2 = -√(2 - √3)/2
Elena H.
asked • 11/21/22Use an Addition or Subtraction Formula to find the exact value of the expression cos(41pi/12)
Use an Addition or Subtraction Formula to find the exact value of the expression: cos(41pi/12)
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