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A painter needs to reach the top of ...

A painter needs to reach the top of a tail sign in the middle of a flat and level field .He uses a ladder of length x to reach a point on the sign 15 feet above the ground . The angle formed where the ladder meets the ground is noted in the figure below as ` theta ` , which of the following relation - ships must be true ?

A

`sin theta =(15)/(x)`

B

` cos theta =(15)/(x)`

C

`tan theta =(15)/(x)`

D

`theta =(15)/(x)`

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The correct Answer is:
A
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