Points in the plane • Midpoint • Endpoint • Distance • The
straight line • Slope • Parallel and perpendicular lines •
Radius and center of a circle • Tangent to a circle
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Ellipse w Hyperbola • Parabola • Axes • Foci • Asymptotes
• Directrix • The tangent and the normal to conic sections
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Right triangles • Definition of SIN, COS, TAN in the right
triangle • The inverse functions • Identities • Functions of an
obtuse angle • Law of cosines • Law of sines
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The unit circle • SiNx, COSX, TANX on the unit circle •
Radians and degrees • Arc • Area of a sector • Formulas
for sum, double-angle • Writing sums as products • Solving
trigonometric equations • Periodicity
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