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January 30, 2015

January 30, 2015

Posted by **riza** on Monday, December 10, 2012 at 5:52am.

- trigonometry -
**Reiny**, Monday, December 10, 2012 at 1:08pmsimple sine and cosine ratio problem

sin 21 = depth/300

depth = 300sin21°

= 10.75 m

cos 21 = horizontal distance/ 300

hd = 300cos21 = 280.07 m

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