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If sin A = 1/2 and cos B = 1/2, then A + B = ? |
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Answer» Step-by-step EXPLANATION: Given : SIN A = 1/2 Sin A = 1/2 Sin A = Sin 30° ( according to trigonometric RATIOS ) A = 30° Cos B = 1/2 Cos B = Cos 60° ( according to trigonometric ratios ) B = 60° A+B = 30+60 = 90° |
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