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Mathematics, 25.02.2021 05:40 potato3999

1. sin(2x + 4) = cos(3x + 21) 2. cos(20+15) = sin(10+30)
3. sin(5x - 10) = cos(4x + 28)
4. sin(8X) + cos(x) = 2cos(x)


1. sin(2x + 4) = cos(3x + 21) 2. cos(20+15) = sin(10+30) 3. sin(5x - 10) = cos(4x + 28) 4. sin(8X

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1. sin(2x + 4) = cos(3x + 21) 2. cos(20+15) = sin(10+30)
3. sin(5x - 10) = cos(4x + 28)
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