Question

इस रूट is root 3 cot a is equals to 1 find the value of acute angle A​

Answer 1

Step-by-step explanation:

Correct option is

A

36

Given tan2A=cot(A−180)

⇒cot(90−2A)=cot(A−180)[∵tanθ=cot(90−θ)]

Comparing angles we get

90−2A=A−18

⇒90+18=A+2A

⇒3A=108

⇒A=3108

⇒A=36∘