Mathematics

Mathematics

Problem

Indicate the relation which can hold in their respective domain for infinite values of xx . a. tan⁡∣tan⁡−1x∣=∣x∣\tan |\tan^{-1} x| = |x| b. cot⁡∣cot⁡−1x∣=∣x∣\cot |\cot^{-1} x| = |x| c. tan⁡−1∣tan⁡x∣=∣x∣\tan^{-1} |\tan x| = |x| d. sin⁡∣sin⁡−1x∣=∣x∣\sin |\sin^{-1} x| = |x|

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