APFIVE Trigonometric Identity Simplification
Which of the following is equivalent to the expression $$\frac{\tan^2 x \cdot \cos^2 x + \cos^2 x}{\sin^2 x}$$?
A
$$\sec^2 x$$
B
$$\tan^2 x$$
C
$$\cot^2 x$$
D
$$\csc^2 x$$
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