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Syllabus

The value of the expression tan cos(12 cos-123) -

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Question

The value of the expression tan `(1/2  "cos"^-1 2/sqrt3)`

Options

  • `2 + sqrt5`

  • `sqrt5 - 2`

  • `(sqrt5 + 2)/2`

  • `5 + sqrt2`

MCQ

Solution

`sqrt5 - 2`

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Properties of Inverse Trigonometric Functions
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