11111111!!!!!!!11111111!!!!!!!11111111!!!!!!!11111111!!!!!!!11111111!!!!!!!11111111!!!!!!!11111111!!!!!!!11111111!!!!!!!11111111!!!!!!!11111111!!!!!!!11111111!!!!!!!11111111!!!!!!!11111111!!!!!!!

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Convert x(t)=30sin(2t+50) into the sum of a pure sin and cosine wave