The key here is to not worry too much and just follow PEMDAS.
Here we have the expression
. Following PEMDAS, we complete the expression inside the parentheses first, or
. This gives us
or just 
Hope this helps.
Answer:
13.333% of 3 is 4.
Step-by-step explanation:
Take missing value = x
x% of 3 = 4
x/100 × 3 = 4
3x/100 = 4
3x = 400
x = 400/3
x = 13.333
Hope it helps ⚜
The answer is 4/10*cos 01