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Domain of Sin(x):
 Regular: (infinity, infinity)
 Inverse: [pi/2,pi/2]

Domain of Cos(x):
 Regular: (infinity, infinity)
 Inverse: [0,pi]

Domain of Tan(x):
 Regular: U(pi/2+pik, 3pi/2+pik)
 Inverse: (pi/2,pi/2)

Domain of csc(x):
 Regular: U(0+pik, pi+pik)
 Inverse: [pi/2,0) U (0,pi/2]

Domain of sec(x):
 Regular: U(pi/2+pik, 3pi/2+pik)
 Inverse: [0,pi/2)U(pi/2,pi]

Domain of Cot(x):
 Regular:U(0+pik, pi+pik)
 Inverse: (0,pi)

How many solutions for AAA and what law?
Infinite solutions and no law

How many solutions for SAA and what law?
1 and Law of Sines

How many solutions for SSA and what law?
0,1,2 and Law of Sines

How many solutions for SAS and what law?
1 and Law of Cosines

How many solutions for SSS and what law?
0,1 and Law of Cosines

When A<Bsin(a), than _________ solution
no

What A=Bsin(a), than there is...
one solution and use the law of sines

When A>Bsin(a), than there is...
2 solutions use law of sines

A+B have to be > C to have a solution, otherwise...
no solution

