1
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Statement I In the interval $[0,2 \pi]$, the number of common solutions of the equations $2 \sin ^2 \theta-\cos 2 \theta=0$ and $2 \cos ^2 \theta-3 \sin \theta=0$ is two.

Statement II The number of solutions of $2 \cos ^2 \theta-3 \sin \theta=0$ in $[0, \pi]$ is two.

A

Statement I and Statement II are both true

B

Statement I is true, Statement II is false

C

Statement I is false, Statement II is true

D

Statement I and Statement II are both false

2
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The equation $\cos ^{-1}(1-x)-2 \cos ^{-1} x=\frac{\pi}{2}$ has

A

no solution

B

only one solution

C

two solutions

D

more than two solutions

3
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $\sinh ^{-1}(2)+\sinh ^{-1}(3)=\alpha$, then $\sinh \alpha=$

A

$2 \sqrt{5}+3 \sqrt{10}$

B

$2 \sqrt{10}+4 \sqrt{5}$

C

$3 \sqrt{10}+4 \sqrt{5}$

D

$2 \sqrt{10}+3 \sqrt{5}$

4
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In $\triangle A B C$, if $A, B, C$ are in arithmetic progression, then

$$ \sqrt{a^2-a c+c^2} \cdot \cos \left(\frac{A-C}{2}\right)= $$

A

$a+c$

B

$\frac{a+c}{2}$

C

$\frac{a+c-b}{2}$

D

$a-c$