Chapter 6 (Samacheer Kalvi) · Class 9 TN Board · Free Worksheet PDF

Trigonometry (முக்கோணவியல்) Sums for Class 9 — Free TN Board Worksheet PDF with Answers

Download a free printable trigonometry (முக்கோணவியல்) worksheet for Class 9 TN Board with 30 practice questions covering trigonometry (முக்கோணவியல்) concepts, practice problems, and word problems with step-by-step solutions. Includes complete answer key. TN Board-aligned for the 2025-26 syllabus.

Last updated: 5 May 2026

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30 questions (Easy + Medium + Hard) with answer key. Fresh set generated daily.

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Sample Trigonometry (முக்கோணவியல்) Sums for Class 9 — Practice Questions

Here are 8 sample trigonometry (முக்கோணவியல்) sums from this Class 9 TN Board worksheet. Download the full PDF for all 30 questions with answers.

Q1.In a right-angled triangle ABC, right-angled at B, if AB = 8 cm and BC = 6 cm, what is the value of tan A?
A.3/4
B.4/3
C.3/5
D.4/5

Difficulty: Easy

Q2.Which of the following statements about trigonometric ratios for an acute angle A is ALWAYS true?
A.sin A > 1
B.sec A < 1
C.tan A can be greater than 1
D.cos A can be 5/3

Difficulty: Easy

Q3.If sin θ = 12/13, what is the value of cosec θ?
A.13/12
B.5/12
C.12/5
D.1/13

Difficulty: Easy

Q4.Evaluate the expression: 2 × sin 30° + tan 45°.
A.1
B.2
C.3/2
D.5/2

Difficulty: Easy

Q5.Ravi was asked to find cos P for a right-angled triangle PQR, right-angled at Q. He drew the triangle and wrote: cos P = PQ / PR. What mistake, if any, did Ravi make?
A.No mistake, the formula is correct.
B.He should have written cos P = QR / PR.
C.He should have written cos P = PQ / QR.
D.He should have written cos P = QR / PQ.

Difficulty: Easy

Q6.Consider the values of sin 30°, sin 45°, and sin 60°. Which of the following statements is true?
A.sin 30° > sin 60°
B.sin 45° < sin 30°
C.sin 60° > sin 45°
D.sin 30° = sin 45°

Difficulty: Easy

Q7.If sin A = 3/5, what is the value of cos A?
A.4/5
B.3/4
C.5/3
D.1

Difficulty: Easy

Q8.A ladder is leaning against a wall, making an angle of 60° with the ground. If the foot of the ladder is 2 meters away from the wall, what is the length of the ladder?
A.2 m
B.4 m
C.2sqrt3sqrt{3} m
D.sqrt3sqrt{3} m

Difficulty: Easy

Answer Key — Sample Questions+
Q1:3/4
Q2:tan A can be greater than 1
Q3:13/12
Q4:2
Q5:No mistake, the formula is correct.
Q6:sin 60° > sin 45°
Q7:4/5
Q8:4 m

Download the full PDF for all 30 answers with step-by-step solutions.

About This Worksheet

TopicTrigonometry (முக்கோணவியல்)
BoardTN Board
Class9
Total Questions30 (10 Easy + 10 Medium + 10 Hard)
Answer KeyIncluded
PriceFree

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Frequently Asked Questions

Where can I download free trigonometry (முக்கோணவியல்) sums for Class 9?+
You can download a free Trigonometry (முக்கோணவியல்) PDF worksheet for Class 9 TN Board right here on SparkEd. The worksheet includes 30 practice questions (trigonometry (முக்கோணவியல்) concepts, practice problems, and word problems with step-by-step solutions) at easy, medium, and hard levels with a complete answer key.
How many trigonometry (முக்கோணவியல்) questions are in this Class 9 worksheet?+
This SparkEd worksheet for Trigonometry (முக்கோணவியல்) Class 9 contains 30 questions — 10 easy, 10 medium, and 10 hard. The questions cover trigonometry (முக்கோணவியல்) concepts, practice problems, and word problems with step-by-step solutions. A fresh set is generated daily so students never repeat the same sheet.
Does the Trigonometry (முக்கோணவியல்) worksheet for Class 9 include answers?+
Yes! Every SparkEd worksheet comes with a complete answer key. Students can self-check their work after completing the sheet. The PDF is free to download and print.
Is this trigonometry (முக்கோணவியல்) worksheet aligned to TN Board syllabus?+
Yes. This worksheet is specifically designed for Class 9 TN Board students and aligned to the 2025-26 TN Board syllabus. All questions follow the TN Board exam pattern and difficulty level.
Can I print this Trigonometry (முக்கோணவியல்) worksheet?+
Absolutely! The worksheet downloads as an A4-size PDF that is ready to print. It includes the questions, space for working, and a separate answer key — perfect for classroom use or home practice.
How is this worksheet different from NCERT textbook exercises?+
SparkEd worksheets go beyond NCERT exercises by providing 30 questions at 3 progressive difficulty levels. Level 1 (Easy) builds confidence, Level 2 (Medium) tests application, and Level 3 (Hard) prepares for exams. Each worksheet includes word problems and conceptual questions, not just computation.
Does this worksheet include trigonometry (முக்கோணவியல்) word problems?+
Yes! The worksheet includes both computation-based questions and real-world word problems. Word problems are especially important for TN Board exams, and our worksheet covers a variety of scenarios to build problem-solving skills.

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