95. a. Given points P(r,, 0,) and Q(r2, 0,) represented in polar coordinates, write the ordered pairs in rectangular coordinates. b. Use the rectangular coordinates from part (a) and the distance formula to show that the distance d between P and Q is given by d = Vrỉ +r - 2r,r,cos (0, – 0,).

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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95. a. Given points P(r,, 0,) and Q(r2, 0,) represented in
polar coordinates, write the ordered pairs in
rectangular coordinates.
b. Use the rectangular coordinates from part (a) and the
distance formula to show that the distance d between P
and Q is given by d = Vrỉ +r - 2r,r,cos (0, – 0,).
Transcribed Image Text:95. a. Given points P(r,, 0,) and Q(r2, 0,) represented in polar coordinates, write the ordered pairs in rectangular coordinates. b. Use the rectangular coordinates from part (a) and the distance formula to show that the distance d between P and Q is given by d = Vrỉ +r - 2r,r,cos (0, – 0,).
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