If A - B -225- then A -1- A - B -1- B -MNR 1974-A- 1B- -1C- 0D- 1 - 2

The correct option is D 1/2 cot A/1 + cot A. cot B/1 + cot B = 1/(1 + tan A)(1 + tan B) = 1/tan A + tan B + 1 + tan A tan B [ ∵ t ...

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Trigonometric Ratios for Sum of Two Angles

If A + B =225...

Question

If A + B = $225^{\circ}$ , then $\frac{c o t A}{1 + c o t A}$ . $\frac{c o t B}{1 + c o t B}$ =

[MNR 1974]

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