Trigonometry for By: Mathieu Jean-Lubin Dummies!
Basic Terms Coordinate Plane/Quadrants Clockwise: rotation in relation to the movement of a clock.  Counter Clockwise: rot...
A rose by any other name is a Radian Angles can be expressed in two ways: degrees and radians . A radian is the measure of...
Introduction to Unit Circles  In order to find this out, we must use a Unit Circle. A unit circle is : On a coordinate pla...
Trigonometric functions on a unit circle! Sine and cosine can be seen on a unit circle as, coordinates, (x,y) What  about ...
Reference Angles On a unit circle, angles can be made with one side starting from  the x-axis and another side, the  TERMI...
Coterminal Angles Like reference angles, co terminal angles Are formed by terminal sides and the initial side.
Trigonmetric Functions There are certain angles whose exact value can be seen!
Last but not Least! Trigonometric identities Csc is co secant: The reciprocal of Sine   Secant is the reciprocal of Cosine
You have COmpleted "Trig" for dummies! Stay tuned for, Passing the MAth B Regents for DUMMIES
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Trigonometry For

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Trigonometry For

  1. 1. Trigonometry for By: Mathieu Jean-Lubin Dummies!
  2. 2. Basic Terms Coordinate Plane/Quadrants Clockwise: rotation in relation to the movement of a clock. Counter Clockwise: rotation opposite the movement of a clock.
  3. 3. A rose by any other name is a Radian Angles can be expressed in two ways: degrees and radians . A radian is the measure of a special central angle whose intercepting arc is the same as the circles radius. To convert degrees to radians: Multiply the degrees by π 180 Make sure π remains in that form!
  4. 4. Introduction to Unit Circles In order to find this out, we must use a Unit Circle. A unit circle is : On a coordinate plane with its center at origin With a radius of 1
  5. 5. Trigonometric functions on a unit circle! Sine and cosine can be seen on a unit circle as, coordinates, (x,y) What about tangent !? Well with triangles Tan is opp. over adj. In a unit circle tan is the SLOPE! Y = Sin X = cos
  6. 6. Reference Angles On a unit circle, angles can be made with one side starting from the x-axis and another side, the TERMINAL SIDE , which ends the angle A reference angle is the acute angle formed by the terminal side and the x-axis. They are formed through a counter clockwise rotation
  7. 7. Coterminal Angles Like reference angles, co terminal angles Are formed by terminal sides and the initial side.
  8. 8. Trigonmetric Functions There are certain angles whose exact value can be seen!
  9. 9. Last but not Least! Trigonometric identities Csc is co secant: The reciprocal of Sine Secant is the reciprocal of Cosine
  10. 10. You have COmpleted "Trig" for dummies! Stay tuned for, Passing the MAth B Regents for DUMMIES

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