Question: pease solve sm cos c+cos A sin -l 222 IA 1. AACB AB = 29 21 ZABC = 0 (i) sin20 +cos20 = 1 (ii)
pease solve
sm cos c+cos A sin -l 222 IA 1. AACB AB = 29 21 ZABC = 0 (i) sin20 +cos20 = 1 (ii) cos20 sin20 41 c 841
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