題目是咁的 :
From a point B due south of a tower TA with height 48 m, Andy observes that the angle of elevation of the top T is 26°. Then he walks in a direction of N50°E to a point C. The bearing of C from A is S75°E and A, B and C are three points on the horizontal ground.
(a) Draw a diagram to represent the situation.
(b) Find the distance between B and C.(c) Find the angle of elevation of T from C.
Related Topics: Bearing , Sine/Cosine Law , Heron's formula
我唔知 part c 應該點計
![[banghead]](https://www.hkbf.org/images/smilies/icon_banghead.gif "我撞牆死左佢算啦！")
part b 答案係 116 m
thx
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