1.

If`x=a(cosectheta+cottheta)and y=b(cottheta-cosectheta)`, thenA. `xy-ab=0`B. `xy+ab=0`C. `(x)/(a)+(y)/(b)=1`D. `x^(2)y^(2)=ab`

Answer» Correct Answer - B
Use `cosec^(2)theta-cot^(2)theta=1`


Discussion

No Comment Found