1.

`cot^(-1)[cot(-(pi)/(3))]=`

Answer» मान `y=cot^(-1)[cot(-(pi)/(3))]`
अब
` cot(-(pi)/(3))=cot((2pi)/(3)-pi)=cot(-pi+(2pi)/(3))=cot""(2pi)/(3)`
`:. cot^(-1)[cot(-(pi)/(3))]=cot^(-1)[cot""(2pi)/(3)]`
` implies cot^(-1)[cot(-(pi)/(3))]=(2pi)/(3)`


Discussion

No Comment Found