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🧾 CBSE · Class 10

Class 10 Maths: Introduction to Trigonometry Worksheet (with Answers)

A free, print-ready worksheet on Introduction to Trigonometry for CBSE Class 10 Maths, with a matching answer key. Use the sample below, or build your own with the exact mix of questions you need — no login, no ads.

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Sample worksheet

7 of 20 questions from this chapter. Generate your own for the full set, more variations, and a clean print layout.

  1. 1. The value of sin 30° is:
    • (a) 0
    • (b) 1
    • (c) 1/2
    • (d) √3/2
  2. 2. The value of cos 0° is:
    • (a) 0
    • (b) 1/2
    • (c) √3/2
    • (d) 1
  3. 3. The value of tan 45° is:
    • (a) √3
    • (b) 1/√3
    • (c) 1
    • (d) 0
  4. 4. sin²A + cos²A equals:
    • (a) 0
    • (b) 2
    • (c) sin 2A
    • (d) 1
  5. 5. Write the value of tan 60°.
  6. 6. If cos A = 4/5, find sin A.
  7. 7. Prove that (1 − sin²A)/cos²A = 1.
View answers
  1. 1. (c) 1/2 — sin 30° = 1/2.
  2. 2. (d) 1 — cos 0° = 1.
  3. 3. (c) 1 — tan 45° = 1.
  4. 4. (d) 1 — Fundamental identity: sin²A + cos²A = 1.
  5. 5. tan 60° = √3.
  6. 6. sin A = √(1 − 16/25) = 3/5.
  7. 7. Using sin²A + cos²A = 1, we get 1 − sin²A = cos²A. So (1 − sin²A)/cos²A = cos²A/cos²A = 1.
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FAQ

Is this Class 10 Maths worksheet on Introduction to Trigonometry free?
Yes — it is completely free, with no login and no ads. You can print it or save it as a PDF, and generate unlimited variations.
Does the Introduction to Trigonometry worksheet come with answers?
Yes. Every worksheet has a separate answer key with the correct answers, short explanations and marks, so it is ready for marking.
Can I choose how many questions and which types?
Yes. Open the generator for this chapter and set how many MCQs, short, long and HOTS questions you want; totals and marks update live, and you can swap any single question.
Which board and class is this for?
This worksheet is aligned to CBSE Class 10 Maths, chapter “Introduction to Trigonometry”.