1
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The value of $$\frac{1+\tan \mathrm{h} x}{1-\tan \mathrm{h} x}$$ is

A
$$e^x$$
B
$$e^{-2 x}$$
C
$$e^{2 x}$$
D
$$e^{-x}$$
2
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

If in a $$\triangle A B C, a=2, b=3$$ and $$c=4$$, then $$\tan (A / 2)=$$

A
$$\sqrt{\frac{3}{15}}$$
B
$$\sqrt{\frac{4}{15}}$$
C
$$\sqrt{\frac{2}{15}}$$
D
$$\sqrt{\frac{1}{15}}$$
3
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the angles of a $$\triangle A B C$$ are in the ratio $$1: 2: 3$$, then the corresponding sides are in the ratio

A
$$\sqrt{3}: 2: 1$$
B
$$1: \sqrt{3}: 2$$
C
$$\sqrt{3}: 1: 2$$
D
$$1: 2: \sqrt{3}$$
4
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

In a $$\triangle A B C, r_1 \cot \frac{A}{2}+r_2 \cot \frac{B}{2}+r_3 \cot \frac{C}{2}=$$

A
s
B
2s
C
3s
D
s/2
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