Suppose an Arc of Length $s$ Lies on the Unit Circle $x ^ { 2 } + y ^ { 2 } = 1$

question 145

Multiple Choice

Suppose an arc of length $s$ lies on the unit circle $x ^ { 2 } + y ^ { 2 } = 1$ , starting at point $( 1,0 )$ and terminating at the point ( $\left. x , y \right)$ . Use a calculator to find the approximate coordinates ( $x , y )$ . Round coordinates to four decimal places when appropriate.


The unit circle $x ^ { 2 } + y ^ { 2 } = 1$
-s = -6.2

• A)(-0.9965, -0.0831)
• B)(0.9965, -0.0831)
• C)(0.9965, 0.0831)
• D)(°°°, 0.9965)

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