Mathematics
Senior High

途中式ありで連立の解き方解説お願いします。
できるだけ簡素化していただきたいですm(*_ _)m

Ticos 45°- T:cos 30° =D0 0 鉛直方向の力のつり合いより, Ti sin 45° + T:sin 30° - 49=0 2
三角比

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