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Inverse Trigonometric Functions

Question
CBSEENMA12032612

Evaluate

open vertical bar table row cell 2 space space space space space 4 end cell row cell negative 1 space space space space 2 end cell end table close vertical bar

Solution

Let    increment space equals space open vertical bar table row cell 2 space space space space space 4 end cell row cell negative 1 space space space space 2 end cell end table close vertical bar = (2) (2) - (4) (- 1) = 4 + 4 = 8

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