alleryTrigonometric ratios are generalised to any angle expressed in which measure?
ARandom measure
BRounded measure
CReduced measure
DRadian measure
Answer & Solution
Correct answer: D. Radian measure
1. The extension needs angles treated as numbers.
2. One measure identifies angles with real numbers.
3. The definition is extended to any angle in terms of radian measure.
4. They are then studied as trigonometric functions.
_Source: syllabus Mathematics, Ch 3 'Trigonometric Functions'_
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