It is given that  .

What is the value of    when    and  , correct to two decimal places?

A.    

B.    

C.    

D.    

If   , find    given  ,    and    (give your answer to the nearest cent).  (2 marks)

What is the value of  , if    and  .  (2 marks)

If  , what is the value of    when  , correct to two decimal places?

If  ,   and  , what is the value of correct to three significant figures?

What is the value of    if    and  , correct to 2 decimal places? 

If  , what is the value of