College Board · AP Precalculus · Topic 3.3

AP Precalculus Topic 3.3

Free lessons and worked examples on math.wiki aligned to AP Precalculus topic 3.3.

4 lessons

Lessons for Topic 3.3

Sine, cosine and tangent as functions of a real numberOnce angles are in radians, the input to a trig function can be read as a distance along the circle.Lesson
Trig functions on the unit circleOn the unit circle the x coordinate of the terminal point is the cosine and the y coordinate is the sine.Lesson
Exact values on the unit circleReading the values of the six functions where the terminal side lies on an axis.Lesson
Trig values of the special right trianglesReading exact sine, cosine and tangent values off the thirty sixty ninety and forty five triangles.Lesson