Links to regentsprep.org Law of Sines & Law of Cosines

link to law of sines:
http://www.regentsprep.org/Regents/math/algtrig/ATT12/lawofsines.htm

link to law of sines, ambiguous case:
http://www.regentsprep.org/Regents/math/algtrig/ATT12/lawofsinesAmbiguous.htm

link to law of cosines:
http://www.regentsprep.org/Regents/math/algtrig/ATT12/lawofcosines.htm

link to deriving law of sines & cosines:
http://www.regentsprep.org/Regents/math/algtrig/ATT12/derivelawofsines.htm

link to area of a triangle & parallelogram:
http://www.regentsprep.org/Regents/math/algtrig/ATT13/areatriglesson.htm