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Question
The range of sin-1 x + cos-1 x + tan-1 x is ____________.
Options
`[0, pi]`
`[pi/4, (3pi)/4]`
`(0, pi)`
`[0, pi/2]`
MCQ
Fill in the Blanks
Solution
The range of sin-1 x + cos-1 x + tan-1 x is `underline([pi/4, (3pi)/4]`.
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