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CBSE Class 10 Maths Basic Ratios at 0 Degrees and 90 Degrees Competency Based Questions

Topic-wise competency based questions from Introduction to Trigonometry. Attempt first, then open the answer and solution.

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CBQs Important Questions PYQs

ChapterTopic

Question 1MCQ · 1 mark

Introduction to Trigonometry · Ratios at 0 Degrees and 90 Degrees

A rotating arm has angle $θ = 9 0^{\circ}$ to the horizontal. Which expression is undefined?

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