Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/iptbooks/public_html/libraries/joomla/utilities/date.php on line 56

Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/iptbooks/public_html/libraries/joomla/utilities/date.php on line 198
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SECTION SEVEN - TRIGONOMETRY
Right Angle Triangles p 280-284 Trigonometric Functions p 285
Pythagorean Formula p 280 Trigonometry Formulas p 286
Right Angle Triangle Functions p 282-284 Trigonometry Table p 287-292