Academics – Mathematics : 2014/JUL/06
Question
Q6. (a) A quadrilateral shaped metal plate has dimensions as shown in Fig Q6(a).
The angle ABC is 48°
Calculate EACH of the following for the plate:
(i) the distance from A to C; (4)
(ii) the size of angle DAB. (8)
(b) Solve for Ѳ in the following equation in the range 90° < Ѳ < 180°
sin 2Ѳ = - 0.95 (4)
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