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QUESTION
if cot A*cot B=2 and cos(a+b)=3/5 then sinAsinB= THE ANSWER IS 3/5 USE ONLY TRIG FORMULAS
if cot A*cot B=2 and cos(a+b)=3/5 then sinAsinB=
THE ANSWER IS 3/5
USE ONLY TRIG FORMULAS
:−( ) ℎ( ) ( )=2 ( )( ) ( ) = 2 => ( + )==> 3= 25=> ( + )= 35 ( )= 2 =>( ) ( ) ( )=2 ( ) ( ) ( ) ( )( ) ( )− ( ) −( )= ( )35 . ( ) ( ) ( )