Can anyone send all trigonometric formulas of transformations.Please my notes were erased.
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Transformation of sum or difference into product
Transformation formulae Key to remember
2 cosA sinB = sin(A + B) - sin(A - B) 2 cos. sin = sin - sin
2 cosA cosB = cos(A + B) + cos(A - B) 2 cos. cos = cos + cos
2 sinnA sinB = cos (A - B) - cos(A + B) 2 sin. sin = cos - cos
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These are not from any source it is in my book only
Hopes it helps and Mark as BRAINLIEST please
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