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Mathematics, 03.12.2019 19:31 kluke7170

Who is good at trigonometry?
tanx - cotx = 3/4 is given with 0 < x < 90*;
find tan2x - cot2x

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Who is good at trigonometry?
tanx - cotx = 3/4 is given with 0 < x < 90*;
fin...

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