document.write( "Question 1173206: Convert the point P(2,45°) to its equivalent rectangular coordinates. For answers with radical sign, write “sqrt” (e.g. for P(square root of 3, 1), write P(sqrt 3, 1)) \n" ); document.write( "

Algebra.Com's Answer #798405 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi  
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document.write( "P(2,45°)  to P(x,y)
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document.write( "Polar coordinate P(r, θ )  
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document.write( "P(2,45°):  r = 2 and θ = 45°
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document.write( " P(x,y) = P(rcosθ , rsinθ)= P(2cos45°, 2sin45°)= P(2(√2/2), 2(√2/2)) = P(√2,√2)
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document.write( "r = sqrt(2 + 2) = 2  Answers check.
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document.write( "This (cosx, sinx) wheel a quick reference.
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