10sin2 x - 11cos x - 2 = 0 =0 3. 4sin?x + 13sin cos + 3cos' = 0 4. 6tg.x- 10ctg + 7 = 0 5. 14cos2 x + 5sin 2x = 2 4 6. 4sin 2x = 4 - cos​


10sin2 x - 11cos x - 2 = 0 =0 3. 4sin?x + 13sin cos + 3cos' = 0 4. 6tg.x- 10ctg + 7 = 0 5. 14cos2 x

IrinaErmolenko IrinaErmolenko    3   04.11.2020 13:32    93

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