Exercise 4.7.4. Let x,y be real numbers such that x2+y2 = 1. Show that there is exactly (Hint: you may need to divide i...

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Exercise 4.7.4. Let x,y be real numbers such that x2+y2 = 1. Show that there is exactly (Hint: you may need to divide into ca

Answer 1

Answer #1

y0 case x 1 -0 x-0 case y1 2 y1 A-. 2 x>0.y>0 9tan x0,y>0 9=T-an x>0,y 0 -1 -tan x<0,y0 CH -1 -Tttan

Answer 2

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