If the rate of change of sine of an angle 0 is k, then the rate of change of its tangent is

# If the rate of change of sine of an angle $0$ is $k$, then the rate of change of its tangent is

1. A

${k}^{2}$

2. B

$\frac{1}{{k}^{2}}$

3. C

$k$

4. D

$\frac{1}{k}$

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