Question

Find the value of and also attach the graph:
cos(x+1)​

Answer 1

`\boxed{\sf cos(A+B)=cosAcosB-sinAsinB}`

Now

`\\ \sf\longmapsto cos(x+1)`

• A=x
• B=1

`\\ \sf\longmapsto cosxcos(1)-sinxsin(1)`