1
MHT CET 2021 22th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

$$\tan 3 \mathrm{~A} \cdot \tan 2 \mathrm{~A} \cdot \tan \mathrm{A}=$$

A
$$\tan 3 \mathrm{~A}+\tan 2 \mathrm{~A}-\tan \mathrm{A}$$
B
$$\tan 3 \mathrm{~A}-\tan 2 \mathrm{~A}-\tan \mathrm{A}$$
C
$$\tan 3 \mathrm{~A}+\operatorname{tan} 2 \mathrm{A}+\tan \mathrm{A}$$
D
$$\tan 3 \mathrm{~A}-\tan 2 \mathrm{~A}+\tan \mathrm{A}$$
2
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

If $$\frac{\cos (A+B)}{\cos (A-B)}=\frac{\sin (C+D)}{\sin (C-D)}$$, then $$\tan A \tan B \tan C=$$

A
0
B
tan D
C
cot D
D
$$-$$ tan D
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+2
-0

If $$\cos x=\frac{24}{25}$$ and $$x$$ lięs in first quadrant, then $$\sin \frac{x}{2}+\cos \frac{x}{2}=$$

A
$$\frac{6}{5 \sqrt{2}}$$
B
$$\frac{8}{5 \sqrt{2}}$$
C
$$\frac{7}{5 \sqrt{2}}$$
D
$$\frac{1}{5 \sqrt{2}}$$
4
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+2
-0

The value of $$\sin 18^{\circ}$$ is

A
$$\frac{4}{\sqrt{5}-1}$$
B
$$\frac{\sqrt{5}-1}{4}$$
C
$$\frac{\sqrt{5}+1}{4}$$
D
$$\frac{4}{\sqrt{5}+1}$$
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