1. Work out ratios and angles
http://emathlab.com/Trigonometry/SinCosTan.php
2. Find an unknown side or angle in a right triangle
3. Test you knowledge about right triangles
4. Check to see how good you are at solving right triangles
http://www.transum.org/software/Online_Exercise/Transumometry/Question.asp
5. WORD PROBLEMS ON HEIGHTS AND DISTANCES
http://www.syvum.com/cgi/online/serve.cgi/math/trigo/trig3.html?question_hide
6. Solving problems using trigonometry – slope angle
http://www.mathopenref.com/trigprobslantangle.html
7. LESSON STUDY On REAL-LIFE APPLICATIONS OF CALCULATING SLOPE