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For an input argument val in [-1.0, 1.0], returns a floating point angle (degrees) in the range [-90.0, 90.0]. For input arguments t in the ranges: (1.0, Inf], [-Inf, -1.0) and NaN, asin(t) returns NaN.
Examples
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float $t; |
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float $asin_of_t; |
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float $sin_of_asin_of_t; |
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// asin(1.0) is 90 degrees because sin(90 degrees) = 1.0 |
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$t = 1.0; |
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$asin_of_t = asin($t); |
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$sin_of_asin_of_t = sin($asin_of_t); |
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print("t, asin(t), sin(asin(t)) = " + string($t) + ", " + string($asin_of_t) + ", " + string($sin_of_asin_of_t)); |
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// 1.1 is not a meaningful input into asin and will return |
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// NaN (-1.#IND00)$t = -1.1; |
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$asin_of_t = asin($t); |
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$sin_of_asin_of_t = sin($asin_of_t); |
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print("t, asin(t), sin(asin(t)) = " + string($t) + ", " + string($asin_of_t) + ", " + string($sin_of_asin_of_t)); |
Additional information
Related commands
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