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Per NCERT §1.6.1, the arguments of TRIGONOMETRIC, LOGARITHMIC, and EXPONENTIAL functions must be which kind of quantity?
AOf dimension [T]
BOf dimension [M]
CDimensionless
DOf dimension [L]
Answer & Solution
Correct answer: C. Dimensionless
NCERT §1.6.1: arguments of sin, cos, log, exp must be pure numbers (dimensionless).
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