If \cot \theta (1 + \sin \theta) = 4m and \cot \theta(1- \sin \theta) = 4n, then which one of the following is correct ? [2018 CDS-II]

Correct Answer is : (m2−n2)2 = mn

UPSC CDS 2 2018 Math Paper

Question : 70 of 100

Marks: +1, -0

If cot‌θ(1+sinθ)=4m and cot‌θ(1−sin‌θ)=4n, then which one of the following is correct ?

[2018 CDS-II]

Go to Question:

Prev Question

Next Question