116. In A ABC, ZC = 90°, AB = 20 and
BC = 12. D is a point in side AC such that
CD = 9. Taking angle BDC = x, find :
(i) sin ZABC
(ii) tan x – cos x + 3 sin x.
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Answer: i) 4/5
ii) 3.2/15
Step-by-step explanation:
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