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c o s − 1 ( c o s ( − 5 ) ) + s i n − 1 ( s i n ( 6 ) ) − t a n − 1 ( t a n ( 1 2 ) ) is equal to :

(The inverse trigonometric functions take the principal values)

Option 1 -

3π - 11

Option 2 -

3π + 1

Option 3 -

4π - 11

Option 4 -

4π - 9

0 2 Views | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    2 months ago
    Correct Option - 3


    Detailed Solution:

    Given expression

    = 2π - 5 + 6 - 2π - (12 - 4π) = 4π - 11

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