Math, asked by piyush12332, 11 months ago

(1+cosA)^2+sin^2A=2(1+cosA) prove it

Answers

Answered by arsh122100

2

Step-by-step explanation:

(1+cos ^2A+2cosA)+sin^2A

cos ^2A+sin^2A+2cosA+1

1+2cosA+1

2cosA+2

2(cosA+1)

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