表达式1: left parenthesis, left parenthesis, 4 plus left parenthesis, sin 2 pi "v" , right parenthesis left parenthesis, sin 2 pi "u" , right parenthesis , right parenthesis sin 3 pi "v" , left parenthesis, sin 2 pi "v" , right parenthesis left parenthesis, cos 2 pi "u" , right parenthesis plus 8 "v" minus 4 , left parenthesis, 4 plus left parenthesis, sin 2 pi "v" , right parenthesis left parenthesis, sin 2 pi "u" , right parenthesis , right parenthesis cos 3 pi "v" , right parenthesis4+sin2πvsin2πusin3πv,sin2πvcos2πu+8v−4,4+sin2πvsin2πucos3πv
00
定义域u最小值：
less than or equal to "u" less than or equal to≤u≤
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定义域u最大值：
00
定义域v最小值：
less than or equal to "v" less than or equal to≤v≤
