SOLUTION: If sin(a+2b)=root 3 /2 and cos(a-b)=1/2,find a and b.

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Question 491355: If sin(a+2b)=root 3 /2 and cos(a-b)=1/2,find a and b.
Answer by lwsshak3(11628) About Me  (Show Source):
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If sin(a+2b)=root 3 /2 and cos(a-b)=1/2,find a and b.
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sin (a+2b)=√3/2
a+2b=60º
..
cos(a-b)=1/2
a-b=60º
..
a+2b=60º
a-b=60º
subtract
3b=0
b=0
a=60-b=60º