Introduction to Trigonometry
CBSE · Class 10 · Mathematics
Most important questions from Introduction to Trigonometry for CBSE Class 10 Mathematics board exam 2026. MCQs, short answer, and long answer questions with marks.
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What does the word 'trigonometry' mean?
In a right triangle, sin θ represents:
What is the value of sin 45°?
The trigonometric identity cos²θ + sin²θ = 1 is true for:
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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