SSC Selection Post 2025 PYQ — Question 44

SSC Selection Post - Higher Secondary Level - 26th July 2025 - Shift 2 • Quantitative Aptitude • Q44

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