Math, asked by rajputmehakrana004, 6 months ago

sinA+cosA= 1 then what is value of 2sin A?

Answers

Answered by sathyamargerate0410

1

Step-by-step explanation:

sinA+cosA=1

Squaring on both sides

(sinA+cosA)²=1²

sin²A+cos²A+2sinAcosA=1

1+2sinAcosA=1

2sinAcosA=0

sin2A=0

2A=0°

A=0°

sinA=sin0°=0

2sinA=2(0)=0

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