sin⁡(x)−xcos⁡(x)−12x2=0I can verify that 0 is the solution of equation. But i don't have any method to show that is the only solution.

Name: sin⁡(x)−xcos⁡(x)−12x2=0I can verify that 0 is the solution of equation. But i don&#039;t have any method to show that is the only solution.
Uploaded: 2022-02-23T17:22:57+00:00
Description: sin⁡(x)−xcos⁡(x)−12x2=0I can verify that 0 is the solution of equation. But i don&#039;t have any method to show that is the only solution.

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sin⁡(x)−xcos⁡(x)−12x2=0I can verify that 0 is the solution of equation. But i don&#039;t have any method to show that is the only solution.

spelkw · Accepted Answer

HINTLet indicatef(x)=sin⁡x−xcos⁡x−12x2⇒f′(x)=xsin⁡x−x=x(sin⁡x−1)

sin⁡(x)−xcos⁡(x)−12x2=0I can verify that 0 is the solution of equation. But i don't have any...

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