alleryStart learning →The reciprocal of $\sin A$ is
A$\cos A$
B$\sec A$
C$\cot A$
D$\csc A$ (cosec A)
Answer & Solution
Correct answer: D. $\csc A$ (cosec A)
1. The reciprocal trigonometric ratios pair each ratio with its inverse.
2. $\csc A = \dfrac{1}{\sin A}$.
3. (sec A is the reciprocal of cos A; cot A of tan A.)
_Source: Karnataka SSLC (KSEEB) Class 10 Mathematics, Ch11 'Introduction to Trigonometry', §11.1_
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