Question

You can do one question also​

Answer 1

Answer:

4/3

Step-by-step explanation:

Answer for number 6:

Sin A = √(1-cos²A)= √[1-(4/5)²]= 3/5

(note: The root covers the whole expression)

now,

Cot A= Cos A / Sin A= (4/5)/(3/5)= 4/3