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TS EAMCET · Maths · Inverse Trigonometric Functions

Let Z denote the set of integers. Then match the items in list-I, with those of the items in List-II
  List- I   List- II
A sin-1223+sin-113 I kπ±-1kπ6, kZ
B sin-1-1n2, nZ II kπ±1, kZ
C tan-1secπ4+tanπ4 III 32
D sin-1sinx=sin-1sinxx IV 3π8
    V π2
The correct match is

  1. A ABCDVIIIIII
  2. B ABCDIVIIVI
  3. C ABCDVIIVII
  4. D ABCDIVIIVIII
Verified Solution

Answer & Solution

Correct Answer

(C) ABCDVIIVII

Step-by-step Solution

Detailed explanation

(A) We have sin-1223+sin-113 ∵sin-1223=cos-113 ∴cos-113+sin-113=π2 (B) Let θ=sin-1-1n2, n∈Z ⇒sinθ=-1n2 ⇒sinθ=sin-1nπ6 ⇒θ=kπ+-1kπ6, k∈Z (C) Let α=tan-1secπ4+tanπ4…
From TS EAMCET
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