Wb JeeTrigonometric Functions And EquationsWB JEE 2011MCQ+1 / -0.252011The value of cos 15\(^\circ\) \(-\) sin 15\(^\circ\) isA0B\({1 \over {\sqrt 2 }}\)C\(- {1 \over {\sqrt 2 }}\)D\({1 \over {2\sqrt 2 }}\)Check AnswerClear SelectionReveal AnswerShow Explanation