Answer:
1
Step-by-step explanation:
if it's above 1.5 you would round up but it's not so
Put your number into the half-angle formula and simplify.

The appropriate selection is ...

The answer is 0487 if you subtract
The only ones that would work are if the factor is composite and if 1 is added to it it can be divided into 48. So 15 would work. The factor 15 is composite, and if 1 is added it can be divided into 48.Therefore the son is 15.