How do I verify: tan(x)+cot(x)=(2)/sin(2x)? I always get stuck after writing out (sin^2x+cos^2x)/sin(x)cos(x)

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points

Me. i can't figure out this question. give an explanation too. .