Question

sin⁴theta-cos⁴theta
please solve this problem fast please​

Answer 1

$\large\fbox\red{Answer}$

$\sf\:sin⁴θ-cos⁴θ$

$\sf⟹\:(sin^{2}θ) ^{2}-(cos^{2}θ) ^{2}$

$\tt\red{a^{2}-b ^{2}=(a+b) (a-b)}$

$\sf⟹\:(sin^{2}θ+cos^{2}θ)(sin^{2}θ-cos^{2}θ)$

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• Thnku ❣