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Find an Algebraic Expression Equivalent to the Given Expression tan⁡(arcsec⁡u)\tan ( \operatorname { arcsec } \mathrm { u } )

Question 124

Multiple Choice

Find an algebraic expression equivalent to the given expression.
- tan⁡(arcsec⁡u) \tan ( \operatorname { arcsec } \mathrm { u } )


A) uu2+1u2+1\frac { \mathrm { u } \sqrt { \mathrm { u } ^ { 2 } + 1 } } { \mathrm { u } ^ { 2 } + 1 }
B) u2−1u\frac { \sqrt { u ^ { 2 } - 1 } } { u }
C) u2+1\sqrt { u ^ { 2 } + 1 }
D) u2−1\sqrt { u ^ { 2 } - 1 }

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