Define compound angle 2sin40.cos10=sinA+sinB
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Hiiiii........
SinA + sinB = 2sin (A + B /2 ) cos ( A - B / 2)...
A + B/ 2 = 40 & A- B /2 = 10
HENCE.... A = 50 AND B = 30 ....
i hope this helps uuuu...
SinA + sinB = 2sin (A + B /2 ) cos ( A - B / 2)...
A + B/ 2 = 40 & A- B /2 = 10
HENCE.... A = 50 AND B = 30 ....
i hope this helps uuuu...
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