Question

Please solve any 2questions

1)3600 powder packets of size 5cm×4cm×3cm each can be placed in a cubical box.find the size of box.
2)find the ratio in which point T(-1,6) divides the line segment joining the points P(-3,10)and (6,-8).
3)prove that:cosecA+cotA=sinA/1-cosA.

Answer 1

B)answer 1)is 21600 cm cube

Answer 2

Here is your solution...

I have given solution of all three in the above picture.

Hope it helps you..
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