sin a 1/2 and cos b 1/2 then a+b=
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Sin at 30°=1/2
cos at 90°=1/2
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Answer:
90°
Step-by-step explanation:
If sin A = 1/2 and cos B = 1/2, then A + B = ? (A) 0º (B) 30º (C) 60º (D) 90º. Hence A+B = 30+60 = 90º.
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