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An angle in the standard (x,y) coordinat...

An angle in the standard (x,y) coordinate plane has its vertex at the origin and its initial side on the positive x-axis If the measure of an angle in standard position is `(1,314^@)`, it has the same terminal side as an angle of each of the following measures EXCEPT:

A

`594^@`

B

`314^@`

C

`234^@`

D

`-126^@`

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The correct Answer is:
To solve the problem, we need to find which angle does not share the same terminal side as the angle of \( 1314^\circ \). We can do this by reducing \( 1314^\circ \) to an equivalent angle within the range of \( 0^\circ \) to \( 360^\circ \). ### Step-by-Step Solution: 1. **Find the equivalent angle of \( 1314^\circ \) within \( 0^\circ \) to \( 360^\circ \)**: - Since angles are periodic with a period of \( 360^\circ \), we can subtract \( 360^\circ \) repeatedly from \( 1314^\circ \) until we get an angle within the desired range. - First, subtract \( 360^\circ \): \[ 1314^\circ - 360^\circ = 954^\circ \] - Subtract \( 360^\circ \) again: \[ 954^\circ - 360^\circ = 594^\circ \] - Subtract \( 360^\circ \) again: \[ 594^\circ - 360^\circ = 234^\circ \] - Now, \( 234^\circ \) is within the range of \( 0^\circ \) to \( 360^\circ \). 2. **List the angles to check against the options**: - The equivalent angle of \( 1314^\circ \) is \( 234^\circ \). - Now we need to check the options given in the problem to see which angle does not share the same terminal side as \( 234^\circ \). 3. **Evaluate the options**: - **Option 1**: \( 594^\circ \) (shares terminal side with \( 234^\circ \)) - **Option 2**: \( 954^\circ \) (shares terminal side with \( 234^\circ \)) - **Option 3**: \( 234^\circ \) (same angle) - **Option 4**: \( -126^\circ \) (find the equivalent positive angle) - To convert \( -126^\circ \) to a positive angle: \[ -126^\circ + 360^\circ = 234^\circ \] - This also shares the same terminal side. 4. **Identify the angle that does not share the terminal side**: - The only angle left to check is \( 314^\circ \). We can check if it shares the same terminal side: - Subtract \( 360^\circ \) from \( 314^\circ \): \[ 314^\circ - 360^\circ = -46^\circ \] - The equivalent positive angle for \( -46^\circ \) is: \[ -46^\circ + 360^\circ = 314^\circ \] - Since \( 314^\circ \) does not equal \( 234^\circ \), it does not share the same terminal side. ### Final Answer: The angle that does not share the same terminal side as \( 1314^\circ \) is \( 314^\circ \).
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