Which of the following quantities is/are positive?
(1) \( \cos \left(\tan ^{-1}(\tan 4)\right) \...
Which of the following quantities is/are positive?
(1) \( \cos \left(\tan ^{-1}(\tan 4)\right) \)
(2) \( \sin \left(\cot ^{-1}(\cot 4)\right) \)
(3) \( \tan \left(\cos ^{-1}(\cos 5)\right) \)
(4) \( \cot \left(\sin ^{-1}(\sin 4)\right) \)
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