If A-B-225- then A-1- A- B-1- B-

The correct option is B Given A + B = 225^∘⇒ A B 1/ A+ B = 1 ⇒ A B = 1 + A + B ⇒ 2 A B = 1 + A + B + A B ⇒ A/1+ A B/1+ B = 1/2 ...

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Trigonometric Ratios of Compound Angles

If A+B=225∘, ...

Question

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

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A + B = 225^{\circ},

\frac{cot A}{1 + cot A} \times \frac{cot B}{1 + cot B}

If a+b = 225, then cot a/(1 + cot a )*cot b/(1+cot b) =

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

A + B = 225^{o}

\frac{cot A}{1 + cot A} . \frac{cot B}{1 + cot B} =

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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