Sin2 30°+ cos2 60°
Sin2 30°+ cos2 60°
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Sin^2 30 + cos^2 60
(1/2)^2+(1/2)^2
1/4+1/4 = 1+1/4
=2/4= 1/2 ans
(1/2)^2+(1/2)^2
1/4+1/4 = 1+1/4
=2/4= 1/2 ans
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