cosx=根号3/2,求x

cosx=-根号3/2

cosx=-根号3/2...cosx=-根号3/2

cosx=-根号3/2则x的集合为

cosx=-根号3/2则x的集合为...cosx=-根号3/2则x的集合为

根号cosx-cos^3x dx

根号cosx-cos^3x dx...根号cosx-cos^3x dx

limx→01-cosx根号cos2x根号cos3x

limx→01-cosx根号cos2x根号cos3x...limx→01-cosx根号cos2x根号cos3x

cosx根号cos2x根号cos3x

cosx根号cos2x根号cos3x...cosx根号cos2x根号cos3x

cosx=-根号3/3

cosx=-根号3/3...cosx=-根号3/3

cosx=-根号2/2求x

cosx=-根号2/2求x...cosx=-根号2/2求x

根号cosx-cos^3x

根号cosx-cos^3x...根号cosx-cos^3x

cosx=-根号2/2

cosx=-根号2/2...cosx=-根号2/2

cosx等于-根号2/2

cosx等于-根号2/2...cosx等于-根号2/2