Consider the following statements I. \sin^{-1}(y^2-4y+6)+\cos^{-1}(y^2-4y+6) =\pi/2,\forally\inR II. \sec^{-1}(y^2-4y+6)+\cosec^{-1}(y^2-4y+6) =\pi/2,\forally\inR Which of the above statements is/are true?

AP EAMCET Engineering 2018 Apr 22 Shift 2 Paper

Section: Mathematics

Question : 24 of 160

Marks: +1, -0

Consider the following statements
I. sin−1(y2−4y+6)+cos−1(y2−4y+6) =

,∀y∈R
II. sec−1(y2−4y+6)+cosec−1(y2−4y+6) =

,∀y∈R
Which of the above statements is/are true?

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