JordanMcKee7 JordanMcKee7
  • 28-02-2017
  • Mathematics
contestada

rewrite sin ( x- 7pi/4) in terms of sin and cos

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rcukierkorn
rcukierkorn rcukierkorn
  • 01-03-2017
You use the difference identity for sin(A-B)=sinAcosB-cosAsinB.
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