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Can someone please help me to to calculate this table with this formula inverse tan (height/ distance) every time I get 0 degree, should I use a different formula?Obj ht ho (cm) 10 11 12 13 14 15 Table 1: Plane Reflecting Surface Obj dist do Incident angle Oi Reflection angle (cm) (deg)

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Answer #1

as we know i = OR and Oi = tanlam) So ho do Q; Gr 63.435° 11 5 tant (4) 65.5sbo 12 5 67.380 13 tañ (18) = 63.4350 - 65.556°

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