Test Index

UPSC CDS 2 2023 Math Paper

Question Numbers: 35-36
Consider the following for the next items that follow:
Two parallel chords AB and CD of a circle are of lengths 60 cm and 80 cm respectively. They are on the same side of the centre O and 10 cm apart.

Question : 36

Total: 100

If the chord AB subtends an angle α and chord CD subtends an angle β at the centre O, then what is the value of tan⁡(‌

β‌

)−tan⁡(‌

α‌

‌
3
4
‌
5
12
‌
1
2
‌
7
12

Validate

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