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Math Help - Angles and Radian Measures

  1. #1
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    Arrow Angles and Radian Measures

    Would appreciate help with. Thankx.

    Find the radian measure of four angles in standard position that are coterminal with the given angle in standard position.

    "pi"/4

    -9"pi"/7
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  2. #2
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    Quote Originally Posted by EatDrinkKill22 View Post
    Would appreciate help with. Thankx.

    Find the radian measure of four angles in standard position that are coterminal with the given angle in standard position.

    "pi"/4

    -9"pi"/7
    180 degrees = \pi radians.

    So 1 degree = \frac{\pi}{180} radians and 1 radian = \frac{180}{\pi} degrees.

    Using those facts, can you see a way to make the conversions now?
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    Quote Originally Posted by EatDrinkKill22 View Post
    Would appreciate help with. Thankx.

    Find the radian measure of four angles in standard position that are coterminal with the given angle in standard position.

    "pi"/4

    -9"pi"/7
    ... to find coterminal angles, just add or subtract any multiple of 2\pi.
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