Question

if tan2a=cot(a-18°) then find tge value of a

Answer 1

hope this helps you ☺☺

Answer 2

Hey

Here is your answer,

Tan2a = cot (a-18)
Cot (90-2a) =cot (a-18). (Cot (90-a)=tana)
90-2a=a-18
90+18=a+2a
108=3a
a=108/3
a=36°

Hope it helps you!