<PRE><B>Question 1180791</B>
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Comparing the solutions by &amp;nbsp;@Theo and &amp;nbsp;@MathLover1, &amp;nbsp;notice that the solution by &amp;nbsp;@Theo is correct.


The solution by &amp;nbsp;@MathLover1 is &amp;nbsp;&amp;nbsp;W R O N G, &amp;nbsp;&amp;nbsp;showing lack of knowledge on elementary trigonometric functions.



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