The value of Sin4θ + cos4θ is equal to:
Show answer & explanation
Correct answer: B
Explanation
sin⁴θ + cos⁴θ
= (sin²θ + cos²θ)² − 2sin²θcos²θ
= 1² − 2sin²θcos²θ
= 1 − 2sin²θcos²θ
SSC Selection Post - Higher Secondary Level - 26th July 2025 - Shift 2 • Quantitative Aptitude • Q44
The value of Sin4θ + cos4θ is equal to:
Correct answer: B
Explanation
sin⁴θ + cos⁴θ
= (sin²θ + cos²θ)² − 2sin²θcos²θ
= 1² − 2sin²θcos²θ
= 1 − 2sin²θcos²θ