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Evaluate tan-1(sin(-π2)).

Evaluate `tan^-1(sin((-pi)/2))`.

Sum

`tan^-1(sin((-pi)/2)) = tan^-1(-sin(pi/2))`

= `tan^-1(-1)`

= `- pi/4`.

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Chapter 2: Inverse Trigonometric Functions - Solved Examples [Page 21]

Chapter 2 Inverse Trigonometric Functions
Solved Examples | Q 2 | Page 21

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