please answer plz plz plz plz plz plz
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Answered by
0
Answer:
a is 45
b is 15
Step-by-step explanation:
a-b is 30
a+b is 60
Answered by
0
Answer:
A=45°
B=15°
Step-by-step explanation:
sin(A - B)=1/2
A - B= 30°
cos(A + B)=1/2
A + B= 60°
.: A= 45° and B= 15°
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