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Anna1855
@Anna1855
September 2021
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[2 cos ( - π/3)]² - 4 [ctg (-π/6)]
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Санечка69
Verified answer
(2cos(-π/3))² - 4ctg(-π/6) = (2 · 1/2)² + 4
ctgπ/6 = 1 + 4
· √3 = 4√3 + 1
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Verified answer
(2cos(-π/3))² - 4ctg(-π/6) = (2 · 1/2)² + 4ctgπ/6 = 1 + 4 · √3 = 4√3 + 1