\((sin^6\alpha+cos^6\alpha+3sin^2\alpha cos^2\alpha)\) এর মান নির্ণয় করো।
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\((sin^6\alpha+cos^6\alpha+3sin^2\alpha cos^2\alpha)\)
\(=(sin^2\alpha)^3+(cos^2\alpha)^3+3sin^2\alpha cos^2\alpha\times 1\)
\(=(sin^2\alpha)^3+(cos^2\alpha)^3+3sin^2\alpha cos^2\alpha(sin^2\alpha +cos^2\alpha)\)
\(=(sin^2\alpha+cos^2\alpha)^3\)
\(=(1)^3\)
\(=1\) [Answer]

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