Question

sin A = 1/2 then cos A = ​

Answer 1

Answer:

Root 3/2

Step-by-step explanation:

Sin 30 =1/2

So, Cos 30 = root 3/2

Answer 2

Sin A = 1/2

It means A = 30

Cos 30 = Sin ( 90 - 30 )

So, Cos A = Sin 60° = √3/2