Math, asked by iamswetassm18, 11 months ago

plzz give me the answer

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Answered by Vibhutimehta17

1

Step-by-step explanation:

sin2ya + sinyb+c=0 let there be y

cos2ya+ cosby+c=0

add them sin2y+ cos2y=1, siny+cosy=-b/a

a-b/a +2c=0

multiply a both sides

a2-b+2ac=0

I think that question has an error

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