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MCQ
Choose the correct alternative:
If x = `1/5`, the value of `cos(cos^-1x + 2sin^-1x)` is
Options
`- sqrt(24/25)`
`sqrt(24/25)`
`1/5`
`- 1/5`
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Solution
`- 1/5`
Concept: Principal Value of Inverse Trigonometric Functions
Is there an error in this question or solution?