1
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The maximum value of the function $f(x)=3 \sin ^{12} x+4 \cos ^{16} x$ is
A
4
B
5
C
6
D
7
2
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
$\frac{8}{9}$
3
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If $\tan A<0$ and $\tan 2 A=-\frac{4}{3}$, then $\cos 6 A=$
A
$\frac{117}{125}$
B
$-\frac{117}{125}$
C
$\frac{120}{169}$
D
$-\frac{120}{169}$
4
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If $m \cos (\alpha+\beta)-n \cos (\alpha-\beta)$ $=m \cos (\alpha-\beta)+n \cos (\alpha+\beta)$, then $\tan \alpha \tan \beta=$
A
$m+n$
B
$m-n$
C
$-\frac{n}{m}$
D
$\frac{\mathrm{m}}{\mathrm{n}}$
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