Math, asked by subhasmitasahoo545, 4 months ago

please answer this question

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Answered by shubhamjaiswal4294

1

Answer:

mamta'calculation is not correct

we know that sin(a+b)=sin a cos b+ cos a sin b

by using this formula

sin60 cos30+cos60 sin30=sin(60+30)=sin90=1

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