\(sin^6⁡α+cos^6⁡α+3sin^2⁡ α.cos^2⁡α \)এর মান নির্ণয় করো।
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\(sin^6⁡α+cos^6⁡α+3sin^2⁡ α.cos^2⁡α \)
\(=sin^6⁡α+cos^6⁡α+3sin^2⁡ α.cos^2⁡α \times 1 \)
\(=(sin^2⁡α)^3+(cos^2⁡α)^3+3sin^2⁡ α.cos^2⁡α \)

\(\cdot (sin^2⁡ α+cos^2⁡α) \)



\(=(sin^2⁡α +cos^2⁡α)^3\)
\(=1^3\)
\(=1\)

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