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Trigonometry L1-4 Definitions of Trigonometric Functions

Trigonometry L1-4 Definitions of Trigonometric Functions. r. y. θ. x. Ex1. Find the six trig functions for the angle whose terminal side passes through (4,-2). 4. θ. -2. r. 4 2 + (-2) 2 = r 2. Ex2. Find the six trig functions for the angle θ

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Trigonometry L1-4 Definitions of Trigonometric Functions

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  1. Trigonometry L1-4 Definitions of Trigonometric Functions r y θ x

  2. Ex1. Find the six trig functions for the angle whose terminal side passes through (4,-2). 4 θ -2 r 42 + (-2)2 = r2

  3. Ex2. Find the six trig functions for the angle θ that terminates in QIII and sinθ = -2/3. θ -x (-2)2 + x2 = 32 -2 3

  4. Ex3. Find the six trig functions for the angle θ = 135˚. Reference angle is 45˚ in Q2 Ex4. Find the six trig functions for the angle θ = 270˚.

  5. Ex5. Evaluate tan30˚sin60˚ + sin180˚

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