Suppose that AB is the diameter of a circle with center O and that C is a point on one of the two arcs joining A and B. Show that CAand CBare orthogonal. Circle centered at O passes through the points A, B and C. Points A, O and B are along the horizontal diameter of the circle. The point C is up and to the left of center. Three vectors extend from point O. The vector u terminates at point B. The vector negative u terminates at point A. The vector v terminates at point C. Choose the correct steps below for showing that CA and CB are orthogonal.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.7: Distinguishable Permutations And Combinations
Problem 5E
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Suppose that AB is the diameter of a circle with center O and that C is a point on one of the two arcs joining A and B. Show that CAand CBare orthogonal.

Circle centered at O passes through the points A, B and C. Points A, O and B are along the horizontal diameter of the circle. The point C is up and to the left of center. Three vectors extend from point O. The vector u terminates at point B. The vector negative u terminates at point A. The vector v terminates at point C.

Choose the correct steps below for showing that CA and CB are orthogonal.

B
n O n-
A
Transcribed Image Text:B n O n- A
O A.
CA=(---)
CB=(x-x-₂)
CA-CB=-²+²
-1²-1²
O B.
CA=(---)
CB=(x-xy)
CA-CB=-²+²
aucos ¹(0)-u+usin (x/2)
=O
Transcribed Image Text:O A. CA=(---) CB=(x-x-₂) CA-CB=-²+² -1²-1² O B. CA=(---) CB=(x-xy) CA-CB=-²+² aucos ¹(0)-u+usin (x/2) =O
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