CUET Preparation Today
CUET
General Test
Quantitative Reasoning
Trigonometry
The value of $sin^4θ+cos^4θ+2sin^2θcos^2θ$ is :
1
2
4
0
$sin^4θ+cos^4θ+2sin^2θcos^2θ$
⇒ ( sin²θ + cos²θ )²
⇒ ( 1 )² { sin²θ + cos²θ = 1 }
⇒ 1
