JEE MAIN - Mathematics Hindi (2016 - 10th April Morning Slot - No. 7)
माना $$\mathrm{P}=\{\theta: \sin \theta-\cos \theta=\sqrt{2} \cos \theta\}$$ तथा $$\mathrm{Q}=\{\theta: \sin \theta+\cos \theta=\sqrt{2} \sin \theta\}$$ दो समुच्चय हैं, तो :
$$\mathrm{P} \subset \mathrm{Q}$$ तथा $$\mathrm{Q}-\mathrm{P} \neq \phi$$
$$Q \not \subset P$$
$$P \not \subset Q$$
$$P=Q$$
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