147
Question
In ΔABC, if ∠A=30∘,a=7,b=8 then B has
In ΔABC, if ∠A=30∘,a=7,b=8 then B has
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Solution
The correct option is B Two solutions
asin A=bsin B⇒sin B=ba sin A=47
∴b>a>b sin A⇒B has two values for sin B=47
asin A=bsin B⇒sin B=ba sin A=47
∴b>a>b sin A⇒B has two values for sin B=47
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