Which trigonometric expression has a negative value? sin 2π/5 sin 5π/4 sin 2π/3 sin 5π/6

JoaMika asked Jul 8, 2023

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JoaMika asked Jul 8, 2023

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12 votes

Answer:

sin 5pi/4 I'm not sure solve

Sighol answered Jul 13, 2023

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