亚洲男人天堂av,国产一区二区久久精品,国产精品一区二区久久精品,国产精品久久久久久一区二区三区,五月婷婷在线观看视频,亚洲狠狠色丁香婷婷综合

歡迎您訪問數學考題練習:在小正方形組成的網絡中,直角三角形的位置如圖所!

數學考題練習:在小正方形組成的網絡中,直角三角形的位置如圖所

更新時間:2024-01-12 16:28:32作者:貝語網校

在小正方形組成的網絡中,直角三角形的位置如圖所示,則tanα的值是

A.

B.

C.

D.

試題答案

D

試題解析

結合圖形,根據銳角三角函數的定義即可求解.

解答:由圖形知:tanα=,

故選D.

點評:本題考查了銳角三角函數的定義,屬于基礎題,關鍵是牢記銳角三角函數的定義.

為您推薦

數學考題練習:某商品元旦降價20%促銷,節后要恢復到原價,應

某商品元旦降價20%促銷,節后要恢復到原價,應在打折價的基礎上提價A.15%B.20%C.25%D.30%

2024-01-12 16:28

數學考題練習:已知a,b,c為△ABC三邊,且滿足a2c2-

已知a,b,c為△ABC三邊,且滿足a2c2-b2c2=a4-b4,則它的形狀為A.直角三角形B.等腰三角形C.等腰直角三角形D.等腰三角形或直角三角形

2024-01-12 16:28

數學考題練習:已知點A,B,且AB<4,畫經過A,B兩點且半

已知點A,B,且AB<4,畫經過A,B兩點且半徑為2的圓有A.0個B.1個C.2個D.無數個

2024-01-12 16:28

數學考題練習:人數相同的八年級甲、乙兩班學生在同一次數學單元

人數相同的八年級甲、乙兩班學生在同一次數學單元測試,班級平均分和方差如下:甲=乙=80,s甲2=240,s乙2=180,則成績較為穩定的班級是A.甲班B.乙班C.兩班成績一樣穩定D.無法確定

2024-01-12 16:28

數學考題練習:如圖,將△ABC的高AD四等分,過每一個分點作

如圖,將△ABC的高AD四等分,過每一個分點作底邊的平行線,把三角形的面積分成四部分S1、S2、S3、S4,則S1:S2:S3:S4等于A.1:2:3:4B.2:3:4:5C.1:3:5:7D.3:5:7:9

2024-01-12 16:28

數學考題練習:平面上有三個點過其中每兩個點畫出一條直線,可以

平面上有三個點過其中每兩個點畫出一條直線,可以畫出的直線條數為A.1B.2C.3D.1或3

2024-01-12 16:28

加載中...
主站蜘蛛池模板: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |