Q.202433: যদি sec²: A = 3 তাহলে tan²: A - cosec²: A/ tan²: A + cosec²: A = ? |
যদি sec²: A = 3 তাহলে tan²: A - cosec²: A/ tan²: A + cosec²: A = ? - - Maths in Bengali, trigonometry question answers in Bengali pdf questions in Bengali, Know About Maths online test Maths notes in Bengali quiz book