Physics, asked by chmokshgna, 10 months ago

Cot(A-B)=3/5 and tanB=2then cos (A+B)=

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Answered by Anonymous

Cos(A-B)=3/5 and tanA.tanB=2 Then...... 2 ... We know that cos(A+B) = cosAcosB - sinAsinB.....eqn.6. Putting eqn.4 and eqn.5 in

Answered by tanejakca

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