Math, asked by shivam10000, 8 months ago

Q. If mcosec thetha + ncot thetha = 2 and m^2cosec^2 thetha - n^2cot^2 thetha = 5
then,81÷m^2-1÷n^2
is equal to?

Answers

Answered by aaryankhera

Answer:

mujhe bhi bta diyo bhai agr iska ans mile to

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