Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
EasyFind the angle in radians through which a pendulum swings if its length is $75 \, cm$ and the tip describes an arc of length $10 \, cm$.
- A$2/15 \, \text{radians}$
- B$3/15 \, \text{radians}$
- C$4/15 \, \text{radians}$
- D$5/15 \, \text{radians}$
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