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A trigonometric identity holds for all values of the:
AAngle
BSides
CAreas
DRatios
Answer & Solution
Correct answer: A. Angle
1. An identity is true for every value of its variable.
2. In trigonometry the variable is the angle.
3. So it holds for all values of the angle.
_Source: NCERT Class 10 Mathematics, Chapter 8, Introduction to Trigonometry._
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