Application with Laws of Sines and Cosines

Work the two LET'S PRACTICE problems below with Laws of Sines from the following link,
click on the link then schroll down to the two problems on that page
AFTER WORKING IT, click the blue arrow then WHY to check your answer.
SINES LINK

Work the 3 TRY THESE problems below with Laws of Sines from the following link,
click on the link then schroll down to the two problems on that page
AFTER WORKING IT, click the blue arrow then WHY to check your answer.
COSINES LINK