Question: Points possible. I. Total attempts. 3 Use an addition or subtraction formula to write the expression as a trigonometric function of one number: 3TT 2TT

Points possible. I. Total attempts. 3 Use an
Points possible. I. Total attempts. 3 Use an addition or subtraction formula to write the expression as a trigonometric function of one number: 3TT 2TT 3TT 2 TT TT B COS COS + sin sin = COS 7 21 7 21 A B

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