Math, asked by varun3632, 1 year ago

answer fast emergency

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Answered by yashaswinit03

1

cota=1/^3 then a=60°

1 -cos^2(a)/2-sin^2a=1-cos^2(60°)/2-sin^2(60°)=1-1/4/2-3/4=3/4/5/4 =3/5

varun3632: thxx

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