. In the figure, OBC is a right-angled triangle in a horizontal plane with BÔC = 90°. OA is
vertical, ABO = 0°, BĈA = aº and OC = 8 cm.
The length of AB is given by
8 cos a
(B)
8 sin o
sin a
8 tan
(C)
8 sin a
(A)
sin Ꮎ
8 tan a
(D)
cos e
tan a
(E)
COS Q

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