It is £21 but I have to be 20 characters long to post this comment but that’s the answer
Answer
Find out the value of x.
To prove
By using the trignometric identity

As given in the diagram.

Perpendicular = x
Hypotenuse = 6
Put in the above identity


Put in the above

x = 4.6 cm (Approx)
Therefore Option (c) is correct .
Answer:

Step-by-step explanation:




B would be the answer. hope it helps !