Home › CBSE Class 11 › Mathematics › Trigonometric Functions › The radian is defined using a circle whose radiu…
The radian is defined using a circle whose radius is:
APi units
BAny length
COne unit
DTwo units
Answer & Solution
Correct answer: C. One unit
1. The defining circle is a unit circle.
2. That fixes the arc length needed for one radian.
3. Its radius is one unit.
_Source: NCERT Class 11 Mathematics, Chapter 3, Trigonometric Functions._
Related questions
In a right triangle with BC equal to AB equal to a, the hypotenuse AC equals:Dividing AB squared plus BC squared equals AC squared by which term gives cos squared A plcos squared A plus sin squared A equals:A trigonometric identity holds for all values of the:An equation true for all values of the variables involved is called an:Aryabhata's word for sine was:Aryabhata's work on sine dates to about:The first use of the idea of sine in its modern sense was in the: