Answer:
Honestly, you just can't, we all wish we knew. But we don't. But, just hang it there. And love yourself no matter what. :)
The focusing of conscious awareness on a particular stimulus, as in the cocktail party effect (ability to attend selectively to only one voice among many). thats the answer
The Law of Cosines is used to find the remaining parts of an oblique (non-right) triangle when either the lengths of two sides and the measure of the included angle is known (SAS) or the lengths of the three sides (SSS) are known. The Law of Cosines states: ... c2=a2+b2−2ab cosC .