The Srimad Bhagavatam has a version of this Tale, except Vishnu deceives him in another way: in lieu of turning into Mohini and attracting him, he turns into a younger student and charms him together with his words: Hanuman's purpose while in the battle among Rama and Ravana is big. https://elliottpizr.tdlwiki.com/1792073/top_guidelines_of_totke