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The value of $sin^4θ+cos^4θ+2sin^2θcos^2θ$ is : |
1 2 4 0 |
1 |
$sin^4θ+cos^4θ+2sin^2θcos^2θ$ ⇒ ( sin²θ + cos²θ )² ⇒ ( 1 )² { sin²θ + cos²θ = 1 } ⇒ 1 |
