3 Addition/Subtraction Formulas 1. Write an equivalent expression for the function 2 sin (2t+) in terms...

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3 Addition/Subtraction Formulas 1. Write an equivalent expression for the function 2 sin (2t+) in terms of sines and cosines without phases. 2. Write an equivalent expression for the function 3 sin (t) + cos (t) in terms of either a sine or a cosine function only. 3 Addition/Subtraction Formulas 1. Write an equivalent expression for the function 2 sin (2t+) in terms of sines and cosines without phases. 2. Write an equivalent expression for the function 3 sin (t) + cos (t) in terms of either a sine or a cosine function only.