The greatest value of the function $-5 \sin \theta+12 \cos \theta$ is
The greatest value of the function $-5 \sin \theta+12 \cos \theta$ is
- A
$12$
- B
$13$
- C
$7$
- D
$17$
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Their positions vary with time $t$ according to relation :
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$y_A(t)=t, \quad y_B(t)=2+3 t^2$
Distance between two particles at $t =1$ is :
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Their positions vary with time $t$ according to relation :
$x_A(t)=3 t, \quad x_B(t)=6$
$y_A(t)=t, \quad y_B(t)=2+3 t^2$
Distance between two particles at $t =1$ is :
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