A ladder rests against a vertical …
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A ladder rests against a vertical wall at an inclination a to the horizontal . Its foot is pulled away from the wall through a distance p so that its upper end slides a distance q down the wall and then the ladder makes an angle b to the ground . Show that Cos a minus cos b by sin a minus sin b equal to p by q.
Posted by Aishwarya Lal 7 years, 2 months ago
- 1 answers
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Shweta Gulati 7 years, 2 months ago
A ladder rests against a wall at an angle α to the horizontal. Its foot is pulled away from the wall through a distance a, so that it slides down a distance b down the wall making an angle β with the horizontal. Show that
a/b = cosα - cos β / sin β - sinα
( Its the same question you have asked. I have only taken 'a' instead of 'p' and 'b' instead of 'q'.)
1Thank You