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csc(7 degrees) = 8.2055 csc(7 radians) = 1.5221 csc(7 grads) = 9.1129
csc = 1/sin csc (74o) = 1/sin(74o) = 1/0.9613 = 1.0403
The integral for csc(u)dx is -ln|csc(u) + cot(u)| + C.
7
cos A=3/5 sin=square root of (1-cos2) sin=square root of (1-3/52) sin=square root of (1-9/25) sin=square root of (16/25) sin=4/5 csc=1/sin csc=1/(4/5) csc=5/4