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Trigonometric Tables — Flashcards

ICSE · Class 10 · Mathematics

25 flashcards for Trigonometric Tables (ICSE Class 10 Mathematics) to test yourself on key terms and facts. Part of the ICSE Class 10 Mathematics syllabus.

31 questions25 flashcards4 formulas & key relations5 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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25 Flashcards·
Angle conversionTrigonometric table useTable structureMean differences
Card 1Angle conversion

Convert 20.6° into degrees and minutes.

Answer

Step 1: Split the whole number and decimal part. 20.6° = 20° + 0.6° Step 2: Convert 0.6° into minutes using 1° = 60'. 0.6 × 60 = 36' Step 3: Combine the result. Answer: 20°36'…

Card 2Angle conversion

Convert 12.54° fully into degrees, minutes, and seconds.

Answer

Step 1: Split the decimal degree. 12.54° = 12° + 0.54° Step 2: Convert 0.54° into minutes. 0.54 × 60 = 32.4' Step 3: Split 32.4' into 32' and 0.4' Step 4: Convert 0.4' into seconds using 1' = 60''. 0.

Card 3Angle conversion

Convert 18°45' into decimal degrees.

Answer

Step 1: Convert minutes into degrees. 45' = 45/60° = 0.75° Step 2: Add to the whole degree part. 18° + 0.75° = 18.75° Answer: 18.75°…

Card 4Angle conversion

How many seconds are there in 3' ?

Answer

Step 1: Use 1' = 60''. Step 2: Multiply by 3. 3 × 60 = 180'' Answer: 180 seconds…

Card 5Trigonometric table use

When do you use the trigonometric table for sine, cosine, and tangent?

Answer

Use the trigonometric table to find approximate values of sine, cosine, and tangent for angles between 0° and 90°. The values are correct up to four places of decimals. Example idea: if a value is nee…

Card 6Table structure

What is the structure of a trigonometric table?

Answer

Step 1: The first column on the extreme left contains degrees from 0° to 90°. Step 2: The table has ten main columns headed by minute values. Step 3: The table also has five mean difference columns he…

Card 7Table structure

What are the main minute headings used in the trigonometric table?

Answer

The main minute headings are: 0', 6', 12', 18', 24', 36', 42', 48', 54' These are the minute columns used for reading approximate values from the table.

Card 8Mean differences

Why are mean difference columns used in trigonometric tables?

Answer

Mean difference columns help correct the value to the fourth decimal place. If the function value increases as θ increases, the mean difference is added. If the function value decreases as θ increases…

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Frequently Asked Questions

What are the important topics in Trigonometric Tables for ICSE Class 10 Mathematics?
Key topics in Trigonometric Tables include Angle Measurement in Degrees, Minutes, and Seconds, Structure of the Trigonometric Table, Using Mean Differences, Important Facts to Remember. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How many flashcards are available for Trigonometric Tables?
There are 25 flashcards for Trigonometric Tables covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Trigonometric Tables for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 31 practice questions on Trigonometric Tables. Revise definitions regularly and use flashcards for quick recall before the exam.

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

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