Question 1

Jumlah rumus $Cos\ \left(\alpha\ -\ \beta\right)\ adalah..$

Accepted Answer

$Cos\ \alpha\ .\ Cos\ \beta\ +\ Sin\ \alpha\ .\ \sin\beta$

Question 2

Rumus jumlah $Cos\ \left(\alpha\ -\ \beta\right)\ adalah..$ adalah

Accepted Answer

$Cos\ \alpha\ .\ Cos\ \beta\ +\ Sin\ \alpha\ .\ \sin\beta$

Question 3

$Cos\ \alpha\ .\ Cos\ \beta\ +\ Sin\ \alpha\ .\ \sin\beta$

Accepted Answer

$Cos\ \alpha\ .\ Cos\ \beta\ +\ Sin\ \alpha\ .\ \sin\beta$

Question 4

Rumus jumlah Tan $Cos\ \left(\alpha\ -\ \beta\right)\ adalah..$ adalah....

Accepted Answer

$Cos\ \alpha\ .\ Cos\ \beta\ +\ Sin\ \alpha\ .\ \sin\beta$

Question 5

Jumlah rumus $Cos\ \left(\alpha\ -\ \beta\right)\ adalah..$ adalah...

Accepted Answer

$Cos\ \alpha\ .\ Cos\ \beta\ +\ Sin\ \alpha\ .\ \sin\beta$

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