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Manipal MET2021MathematicsTrigonometric Ratios & Identities

If =- 24 25 and is in the 4 th quadrant, 7 +25 is equal to

Options

  1. A17
  2. B-17
  3. C14
  4. D-14

Correct answer

B. -17

Step-by-step solution

aligned & Since, =- 24 25 & Base A B= (25)^2-(24)^2 =7 & = 7 25 & and =- 24 7 ( 4 th quadrant ) & 7 +25 =-24+7=-17 aligned

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