English

Evaluate tan (tan–1(– 4)).

Evaluate tan (tan^–1(– 4)).

Sum

Since tan (tan^–1x) = x, ∀ x ∈ R, tan (tan^–1(– 4)

= – 4.

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

Chapter 2 Inverse Trigonometric Functions
Solved Examples | Q 5 | Page 21

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