trig
posted by sal
if (12,5) is a pointon the terminal side of an angel 0 find the exact value of six trig funcation of 0

Henry
V(0,0), T(12,5)
X = 12  0 = 12.
Y = 5 0 = 5.
r = Sqrt(X^2+Y^2) = Sqrt(144+25) = 13
Sin A = Y/r = 5/13.
Cos A = X/r =
Tan A = Y/X
CSC A = r/Y
Sec A =
Cot A =
NOTES:
V = Vertex.
T = Terminal side.
Sqrt = Square root.
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