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Mathematical Calculations Used in Indian Navigation

This quiz aims to assess your understanding of the mathematical calculations used in Indian navigation. These calculations were crucial for determining the position of ships at sea and played a significant role in the success of Indian seafaring.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

In Indian navigation, the concept of 'drishti rekha' refers to:

  1. The line of sight from the observer to a celestial body
  2. The line of sight from the observer to the horizon
  3. The line of sight from the observer to the ship's destination
  4. The line of sight from the observer to the ship's starting point
Question 2 Multiple Choice (Single Answer)

The 'jya' function, used in Indian navigation, is equivalent to:

  1. The sine function
  2. The cosine function
  3. The tangent function
  4. The secant function
Question 3 Multiple Choice (Single Answer)

The 'koti-jya' function, used in Indian navigation, is equivalent to:

  1. The cosine function
  2. The sine function
  3. The tangent function
  4. The secant function
Question 4 Multiple Choice (Single Answer)

The 'karna-jya' function, used in Indian navigation, is equivalent to:

  1. The sine function
  2. The cosine function
  3. The tangent function
  4. The secant function
Question 5 Multiple Choice (Single Answer)

The 'utkrama-jya' function, used in Indian navigation, is equivalent to:

  1. The sine function
  2. The cosine function
  3. The tangent function
  4. The secant function
Question 6 Multiple Choice (Single Answer)

In Indian navigation, the 'drishti-kona' refers to:

  1. The angle between the line of sight and the horizon
  2. The angle between the line of sight and the ship's course
  3. The angle between the line of sight and the ship's destination
  4. The angle between the line of sight and the ship's starting point
Question 7 Multiple Choice (Single Answer)

The 'karna' function, used in Indian navigation, is equivalent to:

  1. The sine function
  2. The cosine function
  3. The tangent function
  4. The secant function
Question 8 Multiple Choice (Single Answer)

The 'koti-karna' function, used in Indian navigation, is equivalent to:

  1. The cosine function
  2. The sine function
  3. The tangent function
  4. The secant function
Question 9 Multiple Choice (Single Answer)

The 'karna-karna' function, used in Indian navigation, is equivalent to:

  1. The sine function
  2. The cosine function
  3. The tangent function
  4. The secant function
Question 10 Multiple Choice (Single Answer)

The 'utkrama-karna' function, used in Indian navigation, is equivalent to:

  1. The sine function
  2. The cosine function
  3. The tangent function
  4. The secant function
Question 11 Multiple Choice (Single Answer)

In Indian navigation, the 'drishti-bheda' refers to:

  1. The difference in altitude between two celestial bodies
  2. The difference in azimuth between two celestial bodies
  3. The difference in declination between two celestial bodies
  4. The difference in right ascension between two celestial bodies
Question 12 Multiple Choice (Single Answer)

The 'karna-bheda' function, used in Indian navigation, is equivalent to:

  1. The difference in sine between two angles
  2. The difference in cosine between two angles
  3. The difference in tangent between two angles
  4. The difference in secant between two angles
Question 13 Multiple Choice (Single Answer)

The 'koti-karna-bheda' function, used in Indian navigation, is equivalent to:

  1. The difference in cosine between two angles
  2. The difference in sine between two angles
  3. The difference in tangent between two angles
  4. The difference in secant between two angles
Question 14 Multiple Choice (Single Answer)

The 'karna-karna-bheda' function, used in Indian navigation, is equivalent to:

  1. The difference in sine between two angles
  2. The difference in cosine between two angles
  3. The difference in tangent between two angles
  4. The difference in secant between two angles
Question 15 Multiple Choice (Single Answer)

The 'utkrama-karna-bheda' function, used in Indian navigation, is equivalent to:

  1. The difference in sine between two angles
  2. The difference in cosine between two angles
  3. The difference in tangent between two angles
  4. The difference in secant between two angles
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