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Angles and Trigonometric Functions
Mathematics · Chapter 3 · Unit 1: Sets and Functions
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Topics 4
- Positive and negative angles; degree and radian (circular) measure and conversion; arc length s = r theta; area of a sector
- Trigonometric functions defined using the unit circle; identity sin^2 x + cos^2 x = 1; relations between the functions; signs in the four quadrants
- Trigonometric functions of any angle; allied angles
- Domain, range and period of trigonometric functions; sketches of the graphs of sin x, cos x, tan x, cosec x, sec x and cot x