AngouriMath
SolveByWritingASineOfADoubleArgumentAsAProduct(AngouriMath.Entity,AngouriMath.Entity.Variable,System.Boolean)
Method (no overloads)
Summary
A sine or a cosecant of twice an argument beside functions of the argument, written as the
product it is:sin(2A) = 2 sin(A) cos(A) , so that every trigonometric function is of
A . csc(a + b x)^3 sin(2a + 2b x)^7 is 2^7 sin(a + b x)^4 cos(a + b x)^7 ,
andcsc(2x) ln(tan(x)) is ln(tan(x))/(2 sin(x) cos(x)) , which is
ln(tan(x)) beside its derivative.
product it is:
and
Remarks
The rule that writes multiples of one argument in it reads a numeric slope, and bounds the
degree it writes; a sine of the double is one product whatever its power, so it is written
here for any slope. Rubi's 4.7.1.
https://github.com/asc-community/AngouriMath/issues/718
degree it writes; a sine of the double is one product whatever its power, so it is written
here for any slope. Rubi's 4.7.1.
https://github.com/asc-community/AngouriMath/issues/718
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