38
MCQ (Single Correct Answer)
The value of $\tan 75 \Upsilon-\cot 75\Upsilon$ is
A
$2 \sqrt{3}$
B
$2+\sqrt{3}$
C
$2-\sqrt{3}$
D
1
39
MCQ (Single Correct Answer)
Which of the following is correct?
A
$\sin 1 \Upsilon>\sin 1$
B
$\sin 1 \Upsilon<\sin 1$
C
$\sin 1 \Upsilon=\sin 1$
D
$\sin 1 \Upsilon=\frac{\pi}{18 \Upsilon} \sin 1$
40
MCQ (Single Correct Answer)
If $\tan \alpha=\frac{m}{m+1}$ and $\tan \beta=\frac{1}{2 m+1}$, then $\alpha+\beta$ is equal to
A
$\frac{\pi}{2}$
B
$\frac{\pi}{3}$
C
$\frac{\pi}{6}$
D
$\frac{\pi}{4}$
41
MCQ (Single Correct Answer)
The minimum value of $$3\cos x+4\sin x+8$$ is
A
5
B
9
C
7
D
3
42
MCQ (Single Correct Answer)
The value of $\tan 3 A-\tan 2 A-\tan A$ is
A
$\tan 3 A \tan 2 A \tan A$
B
$-\tan 3 A \tan 2 A \tan A$
C
$\tan A \tan 2 A-\tan 2 A \tan 3 A-\tan 3 A \tan A$
D
None of the above