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Mathematics, 17.04.2020 16:18 babyjulie61

Find the value of tan (a-b) if cos a=4/5 on the interval (270, 360) and sin b=-5/13 on the interval (270, 360)

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Find the value of tan (a-b) if cos a=4/5 on the interval (270, 360) and sin b=-5/13 on the interval...
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