alleryThe repeating behaviour of sin and cos makes them functions that are:
AConstant
BQuadratic
CPeriodic
DLinear
Answer & Solution
Correct answer: C. Periodic
1. Their values return to the same pattern every two pi.
2. A function that repeats like this has a name.
3. It is periodic.
_Source: syllabus Mathematics, Chapter 3, Trigonometric Functions._
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