Answer:

Hence, Option 'C' is true.
Step-by-step explanation:
Given the expression

Apply distributive law: 
Here: 
so the expression becomes

∵ 
Therefore,

Hence, option 'C' is true.
Notice the picture
we have, the opposite side
the angle
and we want the hypotenuse
so recall your SOH CAH TOA

which one has all that? low and behold, is Ms Sine,
so let's bother Ms Sine

make sure your calculator is in Degree mode, since the angle here is in degrees, as opposed to Radian mode
12 28/100 , is the answer.
I would choose c because it makes the most sense rather then the rest