12.18.07 trig eq from graph

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-4 -3 -2 -1 1 2 3 4 5

4

3

2

1

-1

-2

-3

-4

hxbaky sin

4

2

43

4

2

43

-4 -3 -2 -1 1 2 3 4 5

4

3

2

1

-1

-2

-3

-4

22sin2 xy

4

2

43

4

2

43

41

32sin21 xy

8

6

4

2

-2

-4

-6

-8

-10 -5 5 10

8

6

4

2

-2

-4

-6

-8

-10 -5 5 10

23

sin35 xy

16

sin43 xy

8

6

4

2

-2

-4

-6

-8

-10 -5 5 10