1
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

A tower $$T_1$$ of the height $$60 \mathrm{~m}$$ is located exactly opposite to a tower $$T_2$$ of height $$80 \mathrm{~m}$$ on a straight road. From the top of $$T_1$$, if the angle of depression of the foot of $$T_2$$ is twice the angle of elevation of the top of $$T_2$$, then the width (in $$\mathrm{m}$$) of the road between the feet of the towers $$T_1$$ and $$T_2$$ is

A
$$20 \sqrt{3}$$
B
$$10 \sqrt{3}$$
C
$$10 \sqrt{2}$$
D
$$20 \sqrt{2}$$
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

If $$A, B, C \in[0, \pi]$$ and if $$A, B, C$$ are in $$\mathrm{AP}$$, then $$\frac{\sin A+\sin C}{\cos A+\cos C}$$ is equal to

A
$$\sin B$$
B
$$\cos B$$
C
$$\cot B$$
D
$$\tan B$$
3
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

If $$\alpha,\beta,\gamma \in[0,\pi]$$ and if $$\alpha,\beta,\gamma$$ are in AP, then $${{\sin \alpha - \sin \gamma } \over {\cos \gamma - \cos \alpha }}$$ is equal to

A
sin $$\beta$$
B
cos $$\beta$$
C
cot $$\beta$$
D
2 cos $$\beta$$
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