cotacoinp2p是什么意思思

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三角形面积公示S=b^2cotA/2这个公式什么意思啊？_百度作业帮
三角形面积公示S=b^2cotA/2这个公式什么意思啊？
三角形面积公示S=b^2cotA/2这个公式什么意思啊？
圆锥曲线里的cota是什么?_百度作业帮
cota是什么?
cota是什么?
1.cota的取值范围2.根据sina/2+cosa/2的值 那么就可以分别把sina/2 cosa/2求出来 注意题目中给的a的范围 那么再根据sina/2=2sina/4cosa/4 cosa/2=2cos^2a/4-1 继续把sina/4 cosa/4 求出来 同样注意范围 那么就可以算出cota/4了 万能公式用3.cota=-4\3 已知sina+cosa=1/5 a属于（0,派） 求cota的值 4.tanA=a/b tanB=b/a tan=对边比相邻 cotA=b/a 很基本的数学问题 已知,在Rt三角形ABC中,角C=90°,角A的对边是a,邻边是b,斜边是c,则cotA=,cotB= 全要解 5.对啊,tanA=1/cotA tanα ·cotα＝1 sinα ·cscα＝1 cosα ·secα＝1 互为倒数 相乘当然等于1了 cotA=b/a tanA=a/b cotA×tanA＝b/a×a/b=1 tanA=sinA/cosA cotA=cosa/sinA tanA×cotA=1 他们互为倒数哦 他们相乘等于16.tanA=4/3 cotA=3/4 tanB=5/12 cotA=5/12 7. 当-90°cota,则sina/cosa>cosa/sina ∵sina0,∴上式化为:(sina)^2Leptin in energy balance and reward: two faces of the same coin?
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2006 Sep 21;51(6):678-80.Leptin in energy balance and reward: two faces of the same coin?1, , .1Department of Psychiatry, University of Cincinnati, Genome Research Institute, 2170 East Galbraith Road, Ohio 45237, USA.AbstractLeptin receptors are expressed on mesolimbic dopamine neurons, yet little is known about the functional significance of this anatomical relationship. In this issue of Neuron, Hommel et al. reveal a novel site for leptin's regulation of feeding. In turn, Fulton et al. propose a novel role for leptin in regulating non-feeding-related motivated behaviors.Comment onPMID:
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