1
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If $\cos x+\cos y=\frac{2}{3}$ and $\sin x-\sin y=\frac{3}{4}$, then $\sin (x-y)+\cos (x-y)=$
A
$\frac{161}{145}$
B
$\frac{127}{145}$
C
$\frac{1}{2}$
D
$\frac{8}{9}$
2
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The solution set of the equation $\cos ^2 2 x+\sin ^2 3 x=1$ i
A
$\left\{x \left\lvert\, x=n \pi+\frac{\pi}{2}\right., n \in Z\right\}$
B
$\left\{x \left\lvert\, x=2 n \pi \pm \frac{\pi}{4}\right., n \in Z\right\}$
C
$\left\{x \left\lvert\, x=\frac{n \pi}{5}\right., n \in Z\right\}$
D
$\left\{x \left\lvert\, x=n \pi+(-1)^n \frac{n \pi}{6}\right., n \in Z\right\}$
3
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If $2 \tan ^{-1} x=3 \sin ^{-1} x$ and $x \neq 0$, then $8 x^2+1=$
A
13
B
5
C
$\sqrt{7}$
D
$\sqrt{17}$
4
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Match the functions given in List I with their relevant characteristics from List II.
List I List II
(A) sinh x (I) Domains is (-1,1), even function
(B) sec hx (II) Domain is [1,∞), neither even nor odd function
(C) tan hx (III) Even function
(D) cosec h⁻¹x (IV) Range is R, odd function
(V) Range is (-1,1), odd function
The correct answer is
A
A-II, B-III, C-IV, D-V
B
A-V, B-I, C-II, D-III
C
A-IV, B-II, C-I, D-V
D
A-IV, B-III, C-V, D-II
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