ccooss() -- Mathematics Function (libm)

Calculate cosine
#iinncclluuddee <mmaatthh.hh>
ddoouubbllee ccooss(_r_a_d_i_a_n) ddoouubbllee _r_a_d_i_a_n;

ccooss() calculates the cosine of its argument _r_a_d_i_a_n, which must be in radian
measure.

_E_x_a_m_p_l_e
For an example of this function, see the entry for ssiinn().

_S_e_e _A_l_s_o
aaccooss(), ccoosshh(), lliibbmm
ANSI Standard, section 7.5.2.5
POSIX Standard, section 8.1
