Sin( A + 20°) = 1/2 , then A is
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Answered by
0
Answer:
answer of the questions is A=30° because sin30°=1/2
Answered by
1
Step-by-step explanation:
sin(A+20)=1/2
sin(A+20)=sin30 or sin 150
=> A+20= 30 or 150
=>A=10° or 130°
Chill!!
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