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10 June, 14:36

What isn't the exact value for Sin (1305) degrees?

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  1. 10 June, 14:42
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    1305 is a measurement larger than 360, so keep subtracting 360 till you get a number smaller than 360, or divide by 360 to find the remainder

    the number is 225

    225 degree on a unit circle is in the 3rd quadrant, with the terminal line forming a 45 degree angle with the negative x axis. the y value is - √2/2, the hypotenuse is 1, so sin1305 = (-√2) / 2
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