What is the answer... 2sin2pi over 11 cos 2pi over 11?
回答 (3)
2016-11-19 7:29 pm
Did you know that you can use the "/" symbol instead of writing the word "over" to indicate fractions?
Also mathematical symbols instead of words, would help us know whether you mean sin(2pi/11) or (sin 2pi) / 11.
Also mathematical symbols instead of words, would help us know whether you mean sin(2pi/11) or (sin 2pi) / 11.
2016-11-28 10:32 pm
sin(2(2pi/11)=sin(4pi/11)
2016-11-19 7:37 pm
2*sin(2π/11)*cos(2π/11) = sin(2*2π/11) = sin(4π/11)
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Math symbols were invented for a reason. Use them to clarify your intention.
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Math symbols were invented for a reason. Use them to clarify your intention.
收錄日期: 2021-04-23 23:47:53
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