Question

f(x) = 2(1+cosx) find f(0)

Answer 1

f(0)=2(1+1)=4 is the right answer.........

Answer 2

ANSWER :-

PUTTING THE VALUE OF X = 0

THEN,

f(0)= 2(1+ cos0°)
f(0) = 2 ( 1+ 1)
f (0) = 2×2
f(0) = 4.

Here is answer 4.