1-cos(2[theta])+cos(6[theta])-cos(8[theta]) = ? I got up to... 1 - ( cos^2 ([theta]) - sin^2 ([theta]) ) + cos(6[theta]) - cos(8[theta]) Thank you, Jason
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Hello, Jason! Are there more instructions? Otherwise, we could stop anywhere . . . "Complete the identity" (?) . . We have: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and so on . . .
Perfect! The problem I have is how to change: to Thanks again!
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