This looks simple of paper but for the life of me I can't seem to figure it out LS=cos(x-y)cosy-sin(x-y)siny RS= cosx Greatly appreciated!
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Hello, youngb11! Do you know your Compound Angle Identities? . . . . The left side is: . . . . . . . . . . . . . . . . . .
Thanks a lot! I can't believe I missed that. Thanks again and have a great day!
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