SOLUTION: Find the product or quotient using polar form. 2(cos π/8+ isinπ/8) • 2(cos π/10+ i sin π/10)

Algebra ->  Trigonometry-basics -> SOLUTION: Find the product or quotient using polar form. 2(cos π/8+ isinπ/8) • 2(cos π/10+ i sin π/10)      Log On


   

Question 835475: Find the product or quotient using polar form. 2(cos π/8+ isinπ/8) • 2(cos π/10+ i sin π/10)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the product or quotient using polar form.
2(cos π/8+ isinπ/8) • 2(cos π/10+ i sin π/10)
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= 4cis[(pi/8)+(pi/10)]
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= 4cis[(18pi/(80)]
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= 4cis(9pi/40)
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Cheers,
Stan H.
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