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Trigonometric Tables

ICSE · Class 10 · Mathematics

Complete topic list for Trigonometric Tables in ICSE Class 10 Mathematics. Key concepts, sub-topics, and what to focus on for board exams.

44 questions20 flashcards4 concepts

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An illustration showing the conversion process between decimal degrees and degrees, minutes, and seconds (DMS) format, with examples.
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4 Topics · ICSE Class 10 Mathematics

Topics in Trigonometric Tables

1

Basic Units and Conversions

  • 1 degree (1°) = 60 minutes (60')
  • 1 minute (1') = 60 seconds (60'')
  • Decimal degrees can be converted to degrees-minutes-seconds format
2

Structure of Trigonometric Tables

  • Tables are divided into 12 columns total
  • First column contains degrees from 0° to 90°
  • Next 10 columns are headed by minutes: 0', 6', 12', 18', 24', 30', 36', 42', 48', 54'
3

Using Mean Differences

  • Mean differences are used for interpolation between tabulated values
  • Add mean difference when function value increases with angle (sin, tan, sec)
  • Subtract mean difference when function value decreases with angle (cos, cot, cosec)
4

Practical Examples and Conversions

  • Convert decimal degrees before using tables
  • Work systematically from degrees to minutes to seconds
  • Handle remainders carefully in each conversion step

Key Concepts

1 degree (1°) is divided intoTables are organized with 12 columnsMean differences are correction values addedTables provide values for natural sine

Frequently Asked Questions

What are the important topics in Trigonometric Tables for ICSE Class 10 Mathematics?
Trigonometric Tables covers several key topics that are frequently asked in ICSE Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Trigonometric Tables — ICSE Class 10 Mathematics?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 22 chapters — ICSE Class 10 Mathematics Syllabus

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