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урок 6 алгебра 10 класс[1]

1.

2.

*
arccos 1 =
arccos(− 1) =
arccos −
1
=
2
arccos
arccos
3
=
4
arccos −
3
=
4
2
2
arcsin −1 =
arcsin 1 =
3
=
2
arcsin 0 =
arcsin
arcsin −
1
=
2
arcsin ctg
π
=
4
π
=
3
arcsin −
3
=
2
arcsin cos

3.

*
arccos 1 =
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