Can someone help me???
Which of the following is equal to 1/2 or -1/2? Check all that apply.
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![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 17.08.2021 15:30, xxxanitaxxx
Can someone help me???
Which of the following is equal to 1/2 or -1/2? Check all that apply.
Sin (7π/6)
Sin (4π/3)
Cos (5π/3)
Cos (π/6)
Cos (5π/6)
Sin (5π/6)
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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