For \[\mathbf{0{}^\circ }

1.	For \[\mathbf{0{}^\circ }
A.	\[Sin\text{ }\theta -cos\text{ }\theta =0\]
B.	\[Sin\text{ }\theta +cos\text{ }\theta =0\]
C.	\[\theta =45{}^\circ \]
D.	\[Sin\text{ }2\theta =2\text{ }cos\left( \theta +15 \right)\]
E.	None of these
Answer» C. \[\theta =45{}^\circ \]

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For \[\mathbf{0{}^\circ }

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