Grade 11Trigonometry
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?
1 Answer
Arun
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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