跪求matlab解三角函数变量值

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跪求matlab解三角函数变量值
请哪位大侠帮解个方程
cos(x+y)*m+sin(x+y)*n+t*cosy+t=w*cosz
-sin(x+y)*m+cos(x+y)*n-t*cosy=w*sinz
其中,x,m,n,t视为常量,求y,z的表达式,我把刚注册的20分全部捐出!

{m = m,n = 0,t = m,w = 0,x = (1/2)*Pi,y = (1/2)*Pi,z = z},
{m = m,n = 0,t = -m,w = 0,x = -(1/2)*Pi,y = (1/2)*Pi,z = z},
{m = m,n = 0,t = -m,w = 0,x = (1/2)*Pi,y = -(1/2)*Pi,z = z},
{m = m,n = 0,t = m,w = 0,x = -(1/2)*Pi,y = -(1/2)*Pi,z = z},
{m = m,n = 0,t = -m,w = 0,x = (1/2)*Pi,y = Pi,z = z},
{m = m,n = 0,t = m,w = 0,x = -(1/2)*Pi,y = Pi,z = z}
确实没有解析解,上面几个是稍微有点意义的解

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