Mathematics, 19.11.2020 09:50 thasen31

4. a) By using the expression of sin( A+B)and sin(A + B), show that tan(A + B) = tan A + tan B/1-tan A tan B

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4. a) By using the expression of sin( A+B)and sin(A + B), show that tan(A + B) = tan A + tan B/1-ta...