Question

If sin A = 1/2 then cot 2A = ?

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

$\frac{1}{ \sqrt{3} }$

Step-by-step explanation:

sin A = 0.5 means A =30°

so,

$\cot(2 \times 30 ) = \cot(60) = \frac{1}{ \sqrt{3} }$