Question

1
tan (A-B
B)
Sin CA-B
Los CA-B)​

Answer 1

Step-by-step explanation:

Tan (A-B)= 1+ tanA/ 1-tanA

Sin (A-B)= SinA CosB - CosA SinB.

Cos(A-B)= CosA CosB+ SinA SinB.

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