Question

17. If 2 sin(60° - a) = 1, then the value of a is : (A) 30° (B) 45 (C) 60 (D) 15​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

2sin(60-a)=1

sin(60°-a)=1/2

sin (60°-a)=sin30°

60°-a=30°

a=30

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