JEE MATHEMATICS MCQ: INVERSE TRIGONOMETRY

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Application +4 | -1

\theta=\cot ^{-1} 7+\cot ^{-1} 8+\cot ^{-1} 18

, then

\cot \theta

is equal to

View answer and explanation

Correct option: B

Option B (3) is correct because by applying the formula for the sum of inverse cotangents, the expression simplifies to

\cot^{-1}(3)

, thus

\cot \theta = 3

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x

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