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The ans for A+B if SinA=1/2 cosB B =1/3 Belongs to the interval?

The ans for A+B if SinA=1/2 cosB B =1/3 
Belongs to the interval?
 

Grade:11

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
Find sin (a+b)
 
Sin (a+b) = sin a cos B + cos a sin b
 
Then you can find interval of a +b
 
Hope it helps
 
Regards
Arun

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