In a triangle A B C- right angled at C- the value of A- B isA- c 2 - abB- a-bC- a 2 - bcD- b 2 - ac

The correct option is A c2/ab cot A + cot B =b/a+a/b =b^2+a^2/ab =c^2/ab ...

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Trigonometric Ratios of Compound Angles

In a triangle...

Question

In a triangle ABC, right angled at C, the value of cot A + cot B is

c²/ab

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a+b

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a²/bc

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b²/ac

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