Grade 10 Essential Unit E – Trigonometry

Trigonometry is simply the study of three sides polygons (ie: triangles).  How hard can that be??  What wonders does it reveal?

E-1 Unit E Trigonometry Notes.  These are the class note frames to complete.
E-2 Unit E – YouTube Play List – A selection of supporting videos. Select ‘Play All’, sit back, interact
E-3 The entire Unit pretty much on YouTube on MrFTeach YouTube Channel Playlist for Unit E Trigonometry.
E-3A.  Exam Solutions Trigonometry Video Series.  Six perfect videos that clearly explain the Trigonometry.

E-4 Typical Assignments:  Due Dates in blog

E5.  Extra Useful Worksheets (generally with answers). These should keep you busy if you need them!  Pick and Choose a few that might be helpful

Study Guide – Pythagorean Theorem.
Worksheet – Similar Triangles.
Worksheet – Similar Triangles.
Study Guide 2 – Similar Triangles.
Worksheet – Similar Right Triangles.
Similar Triangles 5
Trig Ratios 1
Trig Ratios 2
Study Guide – Similar Triangles and Indirect Measurement.
Worksheet – Similar Triangles (w/answers).
Worksheet – Angles and their Measure.
Worksheet – Naming Angles.
Worksheet – Triangle Sum. Practice making the corners add up to 180 degrees
Study Guide – Triangles.
Worksheet – Isosceles and Equilateral Triangles.
Worksheet – Pythagoras for Right Triangles. Converse means it works backwards too! So if c2 = a2 + b2 then it must be a right triangle.
Study Guide – Sine, Cosine, and Tangent Ratios.
Exploration – Explore the Tangent Ratio. Draw your own triangle, find the Tan and the angle. And a movie to accompany it.
Study Guide – Trigonometric Ratios.
Worksheet – Trigonometric Ratios.
Worksheet – Inverse Trig Ratios (undoing a trig ratio to find the angle it came from!)
Worksheet – Solving Right Triangles.

E-5A. Nancy Pi Trigonometry Movies

E-6  Trigonometry PowerPoint Show. A slide show for practically the entire unit.
E-6A  Triangle Sum Theorem.  Proof (Demonstration really) the sum of the interior angles of any triangle is 180º.
E-8  Definition – Angle of Elevation. Interactive glossary entry that explains Angle of Elevation. Check out the entire glossary!

E-21  Trig Tables.  Way back in the days before calculators, we had to look up sines and cosines and inverses in a table!  Try it, it is easy, no batteries required. See if you can see any pattern/trends in the numbers!!  Trig tables have been available for a thousand years.  It would be your job as a mathematician to prepare just part of these tables!  And it would take him a working life time!, ….now we have calculators!  Check out this quick video example of doing Trig in the ‘old days’: Trig in the Old Days.

E-25  Fun.  How about some games for trigonometry!

Rags to Riches: Proportions, Conversions, Ratios, Similar Triangles.  See if you can win $1 Million!  Send me a screen shot!

E-30  Some Wonderful Learn Alberta Glossary Entries and Manipulatives