In the adjoining figure, ∆ABC is right-angled at B,
D is mid-point of BC, AC = 5 units, BC = 4 units and
∠BAD = θ, find the values of:
(i) tan θ
(ii) sin θ
(iii) sec θ
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Step-by-step explanation:
by Pythagoras theorem
AB= 3units
(i) tan ∅ =3/2
(ii) sin∅= 3/5
(iii) sec ∅ = 2/5
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