Answers ? i need on all of them.
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Mathematics, 21.06.2019 22:00, sarahnd6907
Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota
Answers: 2
Mathematics, 04.02.2021 17:20
Mathematics, 04.02.2021 17:20