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OpenStudy (anonymous):
A ladder of length x cm is inclined at an angle a to the ground. The foot of the ladder is fixed. If the ladder were y cm longer, the inclination to the horizontal would be b. Show that the distance from the foot of the ladder to the wall is given by ycosacosb / cosa-cosb cm.
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OpenStudy (anonymous):
Can anyone help with this question? It would be greatly appreciated.
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