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  3. 1) determine the two angles sin(2?)=0.9179. 2)dete

1) Determine the two angles sin(2?)=0.9179. 2)Determine the solution sets 12cos^2?=3 I have no idea of what is happening...

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Basic Math

1) Determine the two angles

sin(2?)=0.9179.

2)Determine the solution sets

12cos^2?=3

I have no idea of what is happening when the professor explainshow they got the angles or soln sets, they automatically know whatquadrant it is in and what angle it should be, and what the nextangle(s), sets are. I cant imagine it. I don't know how they seethat on the unit circle.

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