Hi, I'm significantly confused about the steps that brought line 1 to line 2 of the expression below: Can someone please provide the in-between steps? Reallly appreciate it.
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second term ... note $\cot{x} \cdot \sec{x} = \csc{x}$ third term ... note $\csc{x} \cdot \tan{x} = \sec{x}$ go back and study your basic trig identities
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