Trigonometry : ত্রিকোণমিতি;
Related Words
trigonometric  trigonometry  See Words Also In
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Appropriate Prepositions
Burst into(কান্নায় ভেঙ্গে পড়া): He burst into tears.
Business with (ব্যবসা, কাজ): He is pleased to do business with you.
Conform to (নিয়মনীতি অনুসরণ করা): The employees have to conform to a strict dress code.
Dependent on (নির্ভরশীল): Sepm is dependent on his father.
Descend on (আক্রমণ করা): Armed thieves descended on the helpless girl.
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Idioms
All in - (পরিশ্রান্ত): I was all in after the meeting.
All at once - (হঠাৎ): I feel terribly sleepy all at once.
Birds of a feather (persons of like disposition-একই পর্যায়ের লোক) Bird’s of a feather flock together.
Bear in mind (মনে রাখা): Always bear in mind that you are a daughter of a reputed person.
Moot point (অমীমাংসিত বিষয়): Dowry system is still a moot point in Bangladesh.