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Author Question: The area of a triangle is given by the formula A = ab sin , where is the angle between the sides ... (Read 354 times)

acc299

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on: May 27, 2021

Question 1

Find the differential of the function f(x, y) = ln cos(xy).
◦ cot(xy)(y dx  +  x dy)
◦ -tan(xy)(y dx  +  x dy)
◦ tan(xy)(y dx  +  x dy)
◦ -tan(xy)(x dx  +  y dy)
◦ -cot(xy)(y dx  +  x dy)

Question 2

The area of a triangle is given by the formula A = ab sin θ, where θ is the angle between the sides having lengths  a  and  b. If measurements indicate that  a = 4 m  with error  ± 1 cm, b = 3 m with error  ± 1 cm, and  θ = 60°  with error  ± 2°, use differentials to determine the approximate maximum error in the calculated area of the triangle.
◦ about  0.014 m2
◦ about  0.135 m2
◦ about  0.603 m2
◦ about  6.015 m2
◦ about  0.862 m2
Calculus: A Complete Course ¦ Adams, Essex ¦ 8th Edition
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Marked as best answer by acc299 on May 27, 2021

billybob123

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Reply #1 on: May 27, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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acc299

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Reply 2 on: May 27, 2021
Great answer, keep it coming :)

tandmlomax84

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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