Without using trigonometric tables,
evaluate
(W)
(i) \( \left(\frac{3 \cos 43^{\circ}}{\sin 47^{...
Without using trigonometric tables,
evaluate
(W)
(i) \( \left(\frac{3 \cos 43^{\circ}}{\sin 47^{\circ}}\right)^{2} \)
\[
-\frac{\cos 37^{\circ} \operatorname{cosec} 53^{\circ}}{\tan 5^{\circ} \tan 25^{\circ} \tan 45^{\circ} \tan 65^{\circ} \tan 85^{\circ}} \text {. }
\]
(ii) \( 2\left(\frac{\cos 58^{\circ}}{\sin 32^{\circ}}\right)-\sqrt{3}\left(\frac{\cos 38^{\circ} \operatorname{cosec} 52^{\circ}}{\tan 15^{\circ} \tan 60^{\circ} \tan 75^{\circ}}\right) \).
(i)
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