(化简):[sin(派-啊而法)*sin( (3派/2)-啊尔法)*tan(-啊尔法-派)] / cot(啊尔法-2派)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/02 17:46:11
(化简):[sin(派-啊而法)*sin( (3派/2)-啊尔法)*tan(-啊尔法-派)] / cot(啊尔法-2派)*cot( (3派/2)+啊尔法)*cos( (派/2)+啊尔法)
![(化简):[sin(派-啊而法)*sin( (3派/2)-啊尔法)*tan(-啊尔法-派)] / cot(啊尔法-2派)](/uploads/image/z/6150865-49-5.jpg?t=%28%E5%8C%96%E7%AE%80%29%3A%5Bsin%28%E6%B4%BE-%E5%95%8A%E8%80%8C%E6%B3%95%29%2Asin%28+%283%E6%B4%BE%2F2%29-%E5%95%8A%E5%B0%94%E6%B3%95%29%2Atan%28-%E5%95%8A%E5%B0%94%E6%B3%95-%E6%B4%BE%29%5D+%2F+cot%28%E5%95%8A%E5%B0%94%E6%B3%95-2%E6%B4%BE%29)
原式=sina*(-cosa)*(-tana)/[(-cota)*tana*sina]=-sina
(化简):[sin(派-啊而法)*sin( (3派/2)-啊尔法)*tan(-啊尔法-派)] / cot(啊尔法-2派)
化简:sin(2派-x)tan(派+x)cot(-x-派)/tan(3派-x)cos(派-x)
化简sin(派-x)+sin(派+x)-cos(-x)+cos(2派-x)-tan(派+x)cot(派-x)
(cot(a+4派)cos(a+派)sin^2(a+3派))/(tan+(派+a)cos^3(-派-a))
[sin(A-派)cot(A-2派)]/[cos(A-派)tan(A-2派)]
化简tan(3派-a),sin(a-5派),tan(a-3派/2),cos(8派-a),sin(-a-4派)
{sin(派+a)cos(1.5派-a)cot(-a)}/{tan(a—派)cos(a-2派)sin(派/2+a)}
化简;cos(2派-a)cos(派+a)tan平方(2派-a)/sin(派-a)sin(2派-a)tan(派-a)
.若f(x)={sin(n派-x)cos(n派+x)/cos[(n+1)派-x]}*tan(x-n派)cot[(n派/2
求(sin(派-x)cos(3/2派-x)tanx)/(cos(2派-x)cot(x-派/2)sin(派/2-x))
化简:sin(派减阿尔法)乘cos(派加阿尔法)乘tan(2派减阿尔法)
三角函数化简题:1+sin(a-2派)* sin(派+a)—tan(派—a)* cot(a—派)—2cos^2(-a)=