已知：△ABC中,AB=，tanB=，sinC= 求BC的长.

已知：△ABC中,AB=，tanB=，sinC=

求BC的长.

答案

BC=11

相关题目

molCO和1molCO2具有相同的：①分子数 ②原子总数 ③碳原子

molCO和1molCO2具有相同的：①分子数 ②原子总数 ③碳原子数 ④氧原子数 A．①③ B．②④ C．①④

She thought herself_______ to her friends because her family was rich. A. hig

She thought herself_______ to her friends because her family was rich. A. higher B. better C. richer D. superior

在中国作家魏巍的笔下，它是“地球的红飘带”；在美国作

在中国作家魏巍的笔下，它是“地球的红飘带”；在美国作家素尔兹·伯里的笔下，它是“前所未有”的事；在美国记者埃德加·斯诺的笔下，它是惊心

Although it seemed to be _____ painful experience, he still found it ____ fun. �

Although it seemed to be _____ painful experience, he still found it ____ fun. A. a, / B. /, a C. a, the D. a, a

Baby sign language is a growing movement.Pointing to a colorful flower, Tricia

Baby sign language is a growing movement.Pointing to a colorful flower, Tricia Campbell lifts her baby's soft hand, and rapidly moves it from one side of his nose to the other as she sniffs (嗅) l

下列说法正确的是（）A：若2x=3，则x=6

下列说法正确的是（）A：若2x=3，则x=6 B：若x=6，则x=12 C：若a＋b=0,则a=b D:若－12x=144，则x=12

已知|a|=2，|b|=，a与b的夹角为45°，要使λb-a与a垂直，则λ=_____

已知|a|=2，|b|=，a与b的夹角为45°，要使λb-a与a垂直，则λ=_______________.

下列叙述正确的是（）A．稳定性: H2S>HCL �

下列叙述正确的是（）A．稳定性: H2S>HCL B．碱性: NaOH>M g(OH) 2C．氧化性: S>O2

已知：△ABC中,AB=，tanB=，sinC= 求BC的长.

答案

相关题目

最新题目