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victus00 [196]
3 years ago
5

Math Trigonometry, please show step by step

Mathematics
1 answer:
MrRa [10]3 years ago
8 0

Step-by-step explanation:

(i)

m <em>L</em><em> </em>BOC = 2× m <em>L</em><em> </em>BAC = 2×56 = 112°

(ii)

m <em>L</em><em> </em>BCA = m <em>L</em><em> </em>BAT = 75°

m <em>L</em><em> </em>OCB = (180°-112°)/2 = 68°/2 = 34°

so, m <em>L</em><em> </em>OCA = 75°-34° = 41°

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