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Question
The value of cot (- 1110°) is equal to ______.
Options
`sqrt3`
`- sqrt3`
`1/sqrt3`
`- 1/sqrt3`
MCQ
Fill in the Blanks
Solution
The value of cot (- 1110°) is equal to `underline(- sqrt3)`.
Explanation:
cot (- 1110°) = - cot (- 1110°)
= - cot (3 × 360° + 30°)
= - cot (30°)
= - `sqrt3`
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