Question

If tanA=5/6 tanB=1/11.then prove A+B =45°​

Answer 1

Answer:

wkt tan(a+b)=tana+tanb/1-tana tanb

Step-by-step explanation:

tan(a+b)=tan(5/6)+tan(1/11)/1-[5/6.1/11]/

tan(61/66)/tan(61/66)

=1

then tan(a+b)=1

tan(a+b)=45

A+B=tan-1

A+B=45°