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Question
The value of `cot[cos^-1 (7/25)]` is ______.
Options
`25/24`
`25/7`
`24/25`
`7/24`
MCQ
Fill in the Blanks
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Solution
The value of `cot[cos^-1 (7/25)]` is `7/24`.
Explanation:
We have, `cot[cos^-1 (7/25)]`
Let `cos^-1 7/25` = θ
∴ cos θ = `7/25`
⇒ cot θ = `7/24`
∴ `cot[cos^-1 (7/25)] = cot[cot^-1 (7/24)] = 7/24`
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