Here's the trigonometry revision worksheet we did in class. And here's the answers:
1a) 3.4cm (b) 17.3cm (c) 20cm
2) 28.3sqcm (3) 123.8 degrees
4) 38.2 degrees (5) 282.2 miles
6a) 6.5cm (b) 21.0cm (c) 63.4 degrees (d) 23.3cm (e) 16.2 degrees
7) 35.1 degrees or 144.9 degrees