1
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Evaluate: } \cos ^{-1}\left(\cos \frac{35 \pi}{18}\right)-\sin ^{-1}\left(\sin \frac{35 \pi}{18}\right) $$

A
0
B
$$\frac{\pi}{9}$$
C
$$\frac{\pi}{18}$$
D
$$\pi$$
2
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Evaluate : $$\cos ^{-1}\left[\cos \left(-680^{\circ}\right)\right]+\sin ^{-1}\left[\sin \left(-600^{\circ}\right)\right]-\cos ^{-1}\left(\sin 270^{\circ}\right)$$

A
$$\frac{14 \pi}{9}$$
B
$$-\frac{5 \pi}{9}$$
C
$$-\frac{4 \pi}{9}$$
D
$$\pi$$
3
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { The value of } \sin ^{-1}\left[\cot \left(\frac{1}{2} \tan ^{-1} \frac{1}{\sqrt{3}}+\cos ^{-1} \frac{\sqrt{12}}{4}+\sin ^{-1} \frac{1}{\sqrt{2}}\right)\right] $$ is

A
$$ \frac{\pi}{6} $$
B
$$ \frac{\pi}{2} $$
C
$$ \frac{\pi}{4} $$
D
0
4
COMEDK 2023 Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Let } f(x)=\cos ^{-1}(3 x-1) \text {, then domain of } f(x) \text { is equal to } $$

A
$$ \left[0, \frac{2}{3}\right] $$
B
$$ \left(0, \frac{2}{3}\right) $$
C
$$ \left(-\frac{2}{3}, \frac{2}{3}\right) $$
D
$$ \left[-\frac{2}{3}, \frac{2}{3}\right] $$
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