if sin a equal to 1 by 2 and cos b = under root 3 by 2 then find the value of a + b
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Answer:
60
Step-by-step explanation:
sin a = 1/2 = sin 30 => a=30
cos b = √3/2 = cos 30 => b= 30
a+b= 30+30 = 60
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