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Mathematics, 19.03.2020 14:07 nataliamontirl8152

If cos⁡ x=513, and 0° < x < 90° is in Quadrant I, what is tan⁡(2x)?

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If cos⁡ x=513, and 0° < x < 90° is in Quadrant I, what is tan⁡(2x)?...

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