Answer: 4
Step-by-step explanation:
4 x 4=16-12=4
Answer:

Step-by-step explanation:
We are given,
.
It is required to find the value of y.
Now, on simplifying above equation, we get,

i.e. 
i.e. 
i.e. 
Hence, the missing term is
.
Answer:
x=24.621
Step-by-step explanation:
tan(72)=x/8
tan(72)×8=x
x=24.621