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

If $$\frac{13 x+43}{2 x^2+17 x+30}=\frac{A}{2 x+5}+\frac{B}{x+6}$$, then $$A^2+B^2=$$

A
22/3
B
52
C
34
D
18/5
2
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $$A+B+C=\pi, \cos B=\cos A \cos C$$, then $$\tan A \tan C=$$

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

In a $$\triangle A B C,\left(\tan \frac{A}{2} \tan \frac{B}{2} \tan \frac{C}{2}\right)^2 \leq$$

A
$$\frac{1}{27}$$
B
$$\frac{1}{18}$$
C
$$\frac{1}{9}$$
D
$$\frac{1}{3}$$
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The value of $$\tan \left(\frac{7 \pi}{8}\right)$$ is

A
$$\sqrt{2}-1$$
B
$$1-\sqrt{2}$$
C
$$1+\sqrt{2}$$
D
$$\frac{1}{1+\sqrt{2}}$$
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