1
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $\cos A+\cos B+\cos C=0=\sin A+\sin B+\sin C$, then $\cos (A-B)+\cos (B-C)+\cos (C-A)=$

A

0

B

$\frac{1}{2}$

C

$\frac{3}{2}$

D

$\frac{-3}{2}$

2
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $\sin x \cdot \cosh y=\cos \theta$ and $\cos x \cdot \sinh y=\sin \theta$, then $\sin ^2 x+\cosh ^2 y=$

A

1

B

2

C

$3 / 2$

D

$1 / 2$

3
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In $\triangle A B C$, if $a, b, c$ are in arithmetic progression and $A=2 C$, then $b: c=$

A

$4: 5$

B

$2: 3$

C

$5: 4$

D

$5: 6$

4
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Assertion (A) In $\triangle A B C$, if $r=6, r_2=36, R=15$, then $c^2+a^2=b^2$.

Reason (R) In $\triangle A B C$, if $r: R: r_2=1: 2.5: 6$, then $B=90^{\circ}$. The correct option among the following is

A

Both (A) and (R) are true, (R) is a correct explanation of (A)

B

Both $(A)$ and $(R)$ are true, but $(R)$ is not a correct explanation of (A)

C

(A) is true and (R) is false

D

(A) is false and (R) is true

TS EAMCET Papers

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