sin^2alpha +sin^2beta+sin^2gama=cos^2alpha+cos^2beta+cos^2gama=3/2
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Answer:
Note: cos^2(x)=1-sin^2(x)
hence,
sin^2(alpha)+sin^2(beta)+sin^2(gama)=1-sin^2(alpha)+1-sin^2(beta)+1-sin^2(gama)
2(sin^2(alpha)+sin^2(beta)+sin^2(gama))=3
sin^2(alpha)+sin^2(beta)+sin^2(gama)=3/2
Step-by-step explanation:
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