Reference Angles
Reference Angles:
Trigonometry
Forum reference:
Book page:
http://course-notes.org/Trigonometry
Trigonometric Functions Using Coordinate Systems
Trigonometric Functions Using Coordinate Systems:
Angle q is in standard position if its vertex is at the origin and its initial side is on the x-axis.
Trigonometric Functions
Trigonometric Functions:
The sum of all three angles of any triangle is 180° = p rad
Pythagorean Theorem:
c2= a2+ b2
sine, cosine, tangent.
Secant:
Trigonometric Functions
Trigonometric Functions
Converting Degrees to Radians
Converting Degrees to Radians:
The conversion of degrees to radians is just a proportion problem.
ex.
Convert 60° to radians.
Radians
Radians:
Degrees, Minutes, Seconds
Degrees, Minutes, Seconds:
One degree, denoted by 1°, is 1/360 of a complete rotation counter-clockwise. ( 1 rotation = 360° )
One minute, denoted by 1', is 1/60 of a degree (1° = 60' ).
One second, denoted by 1", is 1/60 of a minute ( 1' = 60" ).
Angles of Elevation and Depression
Angles of Elevation and Depression
Angles
Angles
Angles:( denoted by à )
Angles
Angles
Pages
Need Help?
We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.
For general help, questions, and suggestions, try our dedicated support forums.
If you need to contact the Course-Notes.Org web experience team, please use our contact form.
Need Notes?
While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!
