Question

Q4) Fill in the blanks:- (a+b)/2 ----√ab​

Answer 1

Answer:

tan(A+B)=3; tan(A−B)=31

tan(A+B)=tan(3π);  tan(A−B)=tan(6π)

A+B=3π     ...(i)

A−B=6π     ...(ii)

(i) + (ii)

2A=3π+6π=63π=2π

A=4π

∴B=3π−A=3π−4π

B=12π