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1.1 root 1:
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10: #include <math.h>
11: ddoouubbllee ttaann(_r_a_d_i_a_n) ddoouubbllee _r_a_d_i_a_n;
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13: tan calculates the tangent of its argument radian, which must be
14: in radian measure.
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16: ***** Example *****
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18: For an example of this function, see the entry for acos.
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20: ***** See Also *****
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22: mathematics library, tanh()
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24: ***** Diagnostics *****
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26: ttaann returns a very large number where it is singular, and sets
27: eerrrrnnoo to EERRAANNGGEE.
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64: COHERENT Lexicon Page 1
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