alleryWhen angle C is considered in place of angle A, the positions of the sides:
AStay put
BVanish
CDouble
DChange
Answer & Solution
Correct answer: D. Change
1. Opposite and adjacent are named relative to the chosen angle.
2. Choosing a different angle swaps the roles.
3. So the positions change.
_Source: syllabus Mathematics, Chapter 8, Introduction to Trigonometry._
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