A) \( \Large \frac{5}{3} \) |
B) \( \Large \frac{5}{4} \) |
C) \( \Large \frac{4}{3} \) |
D) \( \Large \frac{3}{4} \) |
A) \( \Large \frac{5}{3} \) |
\( \Large tan \theta =\frac{3}{4}=\frac{P}{B} \)
\( \Large \triangle ABC \),
\( \Large H^{2}=P^{2}+B^{2} \)
=> \( \Large H^{2}=3^{2}+4^{2} \)
=> \( \Large H=\sqrt{9+16}=\sqrt{25}=5 \)
\( \Large cosec \theta =\frac{H}{P}=\frac{5}{3} \)