Math, asked by penchaladhanushreddy, 18 hours ago

(sinA + cosA)² + (sinA-cosA)2 =​

Answers

Answered by sumedhabaidya7bjssp
3

(sinA + cosA)² + (sinA - cosA)²

= sin²A + cos²A + 2sinA.cosA + sin²A + cos²A - 2sinA.cosA

= 1 + 2sinA.cosA + 1 - 2sinA.cosA

= 1 + 1

= 2.

Step-by-step explanation:

Hope it helps ❄️

Similar questions