\[\mathbf{cosec}\theta \left( \mathbf{sec}\theta -\mathbf{1} \right)-\mathbf{cot}\theta \text{ }\left( \mathbf{1}-\mathbf{cos}\,\theta \right)\]equals to _______

\[tan\text{ }\theta \text{ }+\text{ }sin\text{ }\theta \]

\[tan\text{ }\theta \text{ }+\text{ }\cot \text{ }\theta \]

\[tan\text{ }\theta \text{ }+\text{ }\cos \text{ }\theta \]

\[tan\text{ }\theta \text{ }-\sin \text{ }\theta \]

\[\mathbf{cosec}\theta \left( \mathbf{sec}\theta -\mathbf{1} \right)-\

1.	\[\mathbf{cosec}\theta \left( \mathbf{sec}\theta -\mathbf{1} \right)-\mathbf{cot}\theta \text{ }\left( \mathbf{1}-\mathbf{cos}\,\theta \right)\]equals to _______
A.	\[tan\text{ }\theta \text{ }+\text{ }sin\text{ }\theta \]
B.	\[tan\text{ }\theta \text{ }+\text{ }\cot \text{ }\theta \]
C.	\[tan\text{ }\theta \text{ }+\text{ }\cos \text{ }\theta \]
D.	\[tan\text{ }\theta \text{ }-\sin \text{ }\theta \]
E.	None of these
Answer» E. None of these

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\[\mathbf{cosec}\theta \left( \mathbf{sec}\theta -\mathbf{1} \right)-\mathbf{cot}\theta \text{ }\left( \mathbf{1}-\mathbf{cos}\,\theta \right)\]equals to _______

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