Prove that : $\ \frac{1}{ \csc( \alpha ) \: - \cot( \alpha ) } - \frac{1}{ \sin( \alpha ) } = \frac{1 }{ \sin( \alpha ) } - \frac{1}{ \csc( \alpha ) + \cot( \alpha ) }$ ...

Math, 8 months ago

2+5*4-8:⅘ =? What is answer here? Please help.

The distance travelled by a car in 30 minutes is 35 km. Find out the speed of the car inkm/h and m/s.The distance between two stations is 420 km. A train takes 6 hours to cover thisdistance. Calculate the speed of the train.​

Answers

The distance travelled by a car in 30 minutes is 35 km. Find out the speed of the car in
km/h and m/s.
The distance between two stations is 420 km. A train takes 6 hours to cover this
distance. Calculate the speed of the train.