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angle btwn the two tangents from (a,b) to the circle x2+y2=r2 is ?????????

angle btwn the two tangents from (a,b) to the circle x2+y2=r2 is   ?????????

Grade:12

1 Answers

rishabh
27 Points
9 years ago

2tan(inverse){r/square root of(s1)

s1=x2 +y2 -r2

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