sinx^2+cosx^2=1
所以:((m-3)/(m+5))^2+((4-2m)/(m+5))^2=1
已知sinX=(m-3)/(m+5),cosX=(4-2m)/(m+5),求m的值
已知sinX=(m-3)/(m+5),cosX=(4-2m)/(m+5),求m的值
数学人气:985 ℃时间:2020-02-05 13:39:14
优质解答
我来回答
类似推荐
猜你喜欢
- 1Fire can give use light.(保持原句意思)
- 2“What does the story tell us?” 该什么回答这个问题?
- 32个关与系数的关系的问题,挺难的
- 4ax平方+bx+c<0的解集是{x|xn}(m
- 5I don't know what ______(say) to my grandparents.who _______(teach)you Chinese next term?
- 6母亲的月饼 肖复兴(阅读理解)
- 7One should always be careful of one's health.中one's可否用his代替,为何?
- 8写出下列各不等式成立的条件:(1)2m3m (3)2m平方2
- 9俄罗斯的伏尔加河在哪个城市?
- 10机械能与内能的相互转化 计算