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[REOPENED] I would like this question:

http://math.stackexchange.com/questions/243115/field-extensions-of-cos-and-sin

to be reopened. The question was closed as a duplicate of Degree of field extension. Bit IMO, the questions are different. The closed one is about whether a specific proof is correct, not just a question about how to prove it (like the other question).

[REOPENED] I would like this question:

https://math.stackexchange.com/questions/243115/field-extensions-of-cos-and-sin

to be reopened. The question was closed as a duplicate of Degree of field extension. Bit IMO, the questions are different. The closed one is about whether a specific proof is correct, not just a question about how to prove it (like the other question).

I would like this question:

http://math.stackexchange.com/questions/243115/field-extensions-of-cos-and-sin

to be reopened. The question was closed as a duplicate of Degree of field extension. Bit IMO, the questions are different. The closed one is about whether a specific proof is correct, not just a question about how to prove it (like the other question).

[REOPENED] I would like this question:

http://math.stackexchange.com/questions/243115/field-extensions-of-cos-and-sin

to be reopened. The question was closed as a duplicate of Degree of field extension. Bit IMO, the questions are different. The closed one is about whether a specific proof is correct, not just a question about how to prove it (like the other question).

I would like this question:

http://math.stackexchange.com/questions/243115/field-extensions-of-cos-and-sin

to be reopened. The question is about whether a specific proof is correct, not just a question about how to prove it.

I would like this question:

http://math.stackexchange.com/questions/243115/field-extensions-of-cos-and-sin

to be reopened. The question was closed as a duplicate of Degree of field extension. Bit IMO, the questions are different. The closed one is about whether a specific proof is correct, not just a question about how to prove it (like the other question).