Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

ఒకవేళ cot A + cos A = m మరియు cot A - cos A = n అయితే:

1
(m2 - n2)2 = 4 mn
2
(m2 - n2)2 = 16 mn
3
m2 - n2 = 16 mn
4
m2 + n2 = 4 mn

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