Find the principal values of the following

cosec^-1(2)

Solution

Let y == cosec^-1(2) where $straight y element of open square brackets fraction numerator negative straight pi over denominator 2 end fraction comma space 0 close square brackets union open parentheses 0 comma space straight pi over 2 close parentheses$
$therefore$ cosec y = 2 where $straight y element of open square brackets fraction numerator negative straight pi over denominator 2 end fraction comma space 0 close square brackets union open parentheses 0 comma space straight pi over 2 close parentheses$
$therefore space space space space space space space space space space space space space space space space space space space y equals straight pi over 6$
$therefore$ required prinicipal value = $straight pi over 6$

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Inverse Trigonometric Functions

Find the principal values of the following

cosec^-1(2)

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Inverse Trigonometric Functions

Find the principal values of the followingcosec-1(2)

Some More Questions From Inverse Trigonometric Functions Chapter

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Find the principal values of the following

cosec^-1(2)