Math, asked by pramodbr4, 10 months ago

(1-sinA+cosA)²=2(1+cosA)(1-sinA)​

Answers

Answered by asmitadavian
1

Answer:

Step-by-step explanation:

L.H.S=(1-sinA+cosA)²=1+sin²A+cos²A-2sinA-2sinAcosA+2cosA

                        =1+1-2sinA-2sinAcosA+2cosA

                       =2(1-sinA-sinAcosA+cosA)

R.H.S=2(1+cosA)(1-sinA)

        =2(1-sinA-sinAcosA+cosA)

               L.H.S=R.H.S

                       

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