12th Mathematics important sums
Easy way to understandFormula for each sumsShortcut for sums
Ch - 5 ; Types of conic - Download
Ch - 6 ; Sin(A±B) and Cos(A±B) - Download
Proof for Trigonometry special angles - Download
Prepared by,
MANIKANDAN S
maniselva15@gmail.com
Some questions answers are wrong eg sin (alpha+beta)
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