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Introduction to Angle & Trigonometric Ratios

  • Consider a revolving line AB. Suppose that it revolves in anticlockwise direction starting from its initial position AC.

    Angle? Angle? : Angle between B, A, CAngle? Angle? : Angle between B, A, CVector u Vector u: Vector [A, B] Vector u Vector u: Vector [A, B] Vector v Vector v: Vector [A, C] Vector v Vector v: Vector [A, C] ? text1 = “? “C text1_1 =
… (472 more words) …

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Important Trigonometric Ratios

T - Ratios of Some Standard Angles:

T – ratios of some standard angles are given in table. Which are easily getting by following figure.

Circle c Circle c: Circle through F with center ASegment f Segment f: Segment [A, G’] Segment g Segment g: Segment [A, G’_1] Segment h Segment h: Segment [A, G’_2] Segment p Segment p: Segment [A, H’] Segment q Segment q: Segment [A, H’_1]
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