If cosec(A+B)=1 and cosec(A-B)=2,0^∘(A+B) ≤ 90^∘ and AB then find the vaues of: (i) sin A cos B+c...

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If cosec(A+B)=1 and cosec(A-B)=2,0^∘(A+B) ≤ 90^∘ and AB then find the vaues of:
(i) sin A cos B+cos A sin B
(ii) tan A-tan B/1+tan A tan B
W

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