If sinA + cosA = x, then find the value of sin2A + cos2A + 2 sinA cosA.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. x2.
sin2A + cos2A + 2 sinA cosA
= (sin A + cos A)2
= x2
SSC CGL 2025 PYQ — Question 54
SSC CGL - 19 Sep 2025 - Shift 2 • Quantitative Aptitude • Q54