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Angles and Trigonometric Functions
Applied Mathematics · Chapter 3 · Unit 1: Sets and Functions
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- Positive and negative angles; degree and radian measure and conversion
- Arc length s = r theta and area of a sector
- Trigonometric functions via the unit circle; sin^2 x + cos^2 x = 1; relations between functions; simple identities
- Signs, domain, range and values of trigonometric functions for all angles
- Periods and graphs of sin x, cos x, tan x, cosec x, sec x and cot x (sketches)