4. The third side of a triangle measures (3x-5) cm. If the length of the midline is 14m, what is x?*

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A: Given thaty=3cos4x+πSolution:if y=AcosBx+C+Dtime period=2πBphace shift left=Cy=3cos4x+πy=3cos4x+π41....

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A: topic - length of arc

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A: Since you have posted multiple questions i can do first question as per our company guidelines pleas...

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A: NOTE: Refresh your page if you can't see any equations. . use the formula 

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A: NOTE: Refresh your page if you can't see any equations. . here we have A=33 a=6 for the right angle ...

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A: On solving this we will get

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