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Questions and Answers
What is the standard format for representing a JSON object?
What is the standard format for representing a JSON object?
- XML
- CSV
- Key-Value pairs (correct)
- YAML
What is the maximum level of nesting allowed in a JSON object?
What is the maximum level of nesting allowed in a JSON object?
- 1
- 3
- 5
- Unlimited (correct)
Which data type is not supported in JSON?
Which data type is not supported in JSON?
- Boolean
- String
- Date (correct)
- Number
What is the value of sin(90°) in trigonometry?
What is the value of sin(90°) in trigonometry?
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What is the reciprocal of cos(60°) in trigonometry?
What is the reciprocal of cos(60°) in trigonometry?
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In a right-angled triangle, if the length of the base is 6 and the length of the hypotenuse is 10, what is the value of sin(angle) where angle is opposite to the base?
In a right-angled triangle, if the length of the base is 6 and the length of the hypotenuse is 10, what is the value of sin(angle) where angle is opposite to the base?
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Study Notes
JSON
- A JSON object is typically represented in the format:
{ "key": "value", "key": "value" } - There is no maximum level of nesting allowed in a JSON object, as it can be nested to any level.
- The data type not supported in JSON is
complex numbers.
Trigonometry
- The value of
sin(90°)is1. - The reciprocal of
cos(60°)is2. - In a right-angled triangle, if the length of the base is
6and the length of the hypotenuse is10, the value ofsin(angle)is6/10or0.6, where the angle is opposite to the base.
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