Report - Lecture 27 Sections 4.3 and 4.4 Section 4.3 Right Triangle … · 2020. 1. 21. · 4501 cot 450 0 01 1800 EFI ray 01 1800 0 1800 1350 450 JI I 2 6ft 2171631 6,1 1031 Sin lbj sin 415

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