sec x - cos x = tan x sin x (reciprocal minus ratio)

1. A.
   $\tan x \sin x$
2. B.
   $\sec x \tan x$
3. C.
   $\tan x \cos x$
4. D.
   $\sec x \cos x$

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1. A.
   $\text{Cos}\theta \cot\theta$
2. B.
   $\cos\theta \sec\theta$
3. C.
   $\cos\theta \operatorname{cosec}\theta$
4. D.
   $\cos\theta \tan\theta$

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