Math, asked by saiarunnandikonda, 10 months ago

If y+cosx=sinx has a real solution then

Answers

Answered by anshudalal23

0

Answer:

Step-by-step explanation:

y+cosx=sinx

y=sinx-cosx

sqaure

y²=sin²x+cos²x-2sinxcosx

y²=1-2sinxcosx

2sinxcosx=1-y²

sinx+cosx=√sin²x+cos²x+2sinxcosx

sinx+cosx=√1+1-y²

sinx-cosx=y

sinx=y+√2-y²

it mean no real solution

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