28. The upper part of a tree broken over by the wind makes an angle of 60° with the ground an
horizontal distance from the foot of the tree to the point where the top of the tree meets them
is 10 metres. Find the height of the tree before broken.
90 From a hoat which is moving towards a bridee. the angle of elevation of bridne i
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Step-by-step explanation:
343 y^3-1000 factorise
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