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Trigonometric Tables

ICSE · Class 10 · Mathematics

Flashcards for Trigonometric Tables — ICSE Class 10 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.

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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20 Flashcards
Card 1Angle Measurements

How many minutes are there in 1 degree?

Answer

1 degree = 60 minutes (60') This subdivision helps us measure angles more precisely than just using whole degrees.

Card 2Angle Measurements

How many seconds are there in 1 minute of angle measurement?

Answer

1 minute = 60 seconds (60'') So the complete hierarchy is: 1° = 60' = 3600''…

Card 3Angle Conversion

Convert 20.6° into degrees and minutes.

Answer

20.6° = 20° + 0.6° = 20° + (0.6 × 60)' = 20° + 36' = 20°36'…

Card 4Angle Conversion

Convert 12.54° into degrees, minutes, and seconds.

Answer

12.54° = 12° + 0.54° = 12° + (0.54 × 60)' = 12° + 32.4' = 12° + 32' + 0.4' = 12° + 32' + (0.4 × 60)'' = 12°32'24''…

Card 5Introduction to Tables

What are trigonometric tables used for?

Answer

Trigonometric tables are used to find approximate values of sine, cosine, and tangent of angles between 0° and 90°, accurate up to four decimal places.

Card 6Introduction to Tables

What is the accuracy level of values in trigonometric tables?

Answer

Trigonometric tables provide values correct up to four places of decimals (e.g., 0.5000, 0.8660, etc.)…

Card 7Table Structure

How many columns are there in each trigonometric table?

Answer

Each trigonometric table is divided into 12 columns: - 1 column for degrees (0° to 90°) - 10 columns for minutes (0', 6', 12', 18', 24', 30', 36', 42', 48', 54') - 1 column for mean differences…

Card 8Table Structure

What does the first column of a trigonometric table contain?

Answer

The first column on the extreme left contains degrees from 0° to 90°. This is the main angle reference column.

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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.
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There are 20 flashcards for Trigonometric Tables covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

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