Question

please solve this question please please please please​

Answer 1

Answer:

1/√3

Step-by-step explanation:

Cos(A+B)=0

and Sin(A-B)=√3/2

⇒A+B=90 and

A-B=60

ADDING EQUATIONS WE GET

A=75

B=15

NOW..

Tan(A-3B)=Tan(75-45)

              =Tan(30)

              =1/√3