if sin A = 12/3, cos b = 4/5 find sin(A + B)
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(a) If Sin A = 12/13 and sin B = 4/5, where π/2 < A < π and 0 < B < π/2, find the following: (i) sin (A + B) (ii) cos (A + B) (b) If sin A = 3/5, ...
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mahserbhai
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12- 3 IS 9 AND 4 + 5 IS 9 AND 9 × 9 IS 81 SO ANSWER IS 81
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