Dear Sir,
While using cos( ) function to find the cos value of 30, 60, 90, 120,
130, 150,.. etc.. in C , the output is coming wrongly, for example ,
In scientific calculator the value of Cos(30) is 0.866 and in Trignometric
table, Cos(30) value is (root of 3 by 2 ) which is also 0.866, but In C, I am
getting 0.1542. Tell me the reason and guide me to get exact value....
With regards,
M. RASHEED
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