Exprees cos5x interms of cosx
Answers
Answered by
1
cos 5x can be rewritten as cos (2x+3x)
= cos2xcos3x -sin2xsin3x
=(cos^2x-sin^2x)(4cos^3x-3cosx) - (2sinxcosx)(3sinx-4sin^3x)
You can simplify even further if you want
hope you got it
= cos2xcos3x -sin2xsin3x
=(cos^2x-sin^2x)(4cos^3x-3cosx) - (2sinxcosx)(3sinx-4sin^3x)
You can simplify even further if you want
hope you got it
Similar questions