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[c) sin(x) + cos(x) O sec2(x) = = 1 + cot(x) 1 CSC(x). sin2(x) sec(x) tan(x) = sin(x) COS cos(x) cos(x) sin(x): tan(x) -
[c) sin(x) + cos(x) O sec2(x) = = 1 + cot(x) 1 CSC(x). sin2(x) sec(x) tan(x) = sin(x) COS cos(x) cos(x) sin(x): tan(x) - 1 - = sec(x) O sec(x) tan(x) cos(x) = sin(x) cos(x) sin(x) = cot(x) - 1 - CSC(x) O sec2(x) = Cos(x) 1 2
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
2nd Edition
471889415, 978-0471889410
