1
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
If $\cos A=\frac{3}{4}$, then $\left(32 \sin \frac{A}{2} \sin \frac{5 A}{2}\right)=$
A
7
B
16
C
11
D
8
2
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

Simplified expression of

$1-\frac{\sin ^2 y}{1+\cos y}+\frac{1+\cos y}{\sin y}-\frac{\sin y}{1-\cos y}$ is :

A
$\sin y$
B
$\cos y$
C
1
D
0
3
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
If $\sin A+\sin B=-\frac{21}{65}, \cos A+\cos B=-\frac{27}{65}$ and $\pi
A
$\frac{3}{\sqrt{130}}$
B
$\frac{6}{65}$
C
$-\frac{6}{65}$
D
$-\frac{3}{\sqrt{130}}$
4
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
The value of $\frac{1}{2 \sin 10^{\circ}}-2 \sin 70^{\circ}$ is
A
0
B
2
C
$-\frac{3}{2}$
D
1
COMEDK Subjects
EXAM MAP