$\"\"$

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In a certain piston engine,the distance $\"\"$ (in centimeters) from the center of the drive shaft to the head of the piston is $\"\"$ .

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Where $\"\"$ is the angle between the crank and the path of the piston head.

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$\"\"$

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Find $\"\"$ when $\"\"$ .

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Consider $\"\"$ .

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Substitute the value $\"\"$ .

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$\"\"$

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$\"\"$ cm.

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$\"\"$

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Find $\"\"$ when $\"\"$ .

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Consider $\"\"$ .

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Substitute the value $\"\"$ .

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$\"\"$

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$\"\"$ cm.

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$\"\"$

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$\"\"$ cm when $\"\"$ .

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$\"\"$ cm when $\"\"$ .