alleryHow many coterminal angles does any angle have?
AInfinitely many
BInvariably many
CIntermittently many
DIncrementally many
Answer & Solution
Correct answer: A. Infinitely many
1. Adding a full turn lands on the same terminal side.
2. Full turns can be added without limit.
3. Any angle has infinitely many coterminal angles.
4. So the answer is infinitely many.
_Source: OpenStax 'Algebra and Trigonometry 2e', Ch 7 'The Unit Circle: Sine and Cosine Functions'_
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