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Please Show all your work: Directions: Use double angle formula to rewrite the expressions 1. sin (3x + 5x) 5- 2sin (a) cos(a) 2. sin

Please Show all your work:

Directions: Use double angle formula to rewrite the expressions 1. sin (3x + 5x) 5- 2sin (a) cos(a) 2. sin (50 + 80) 6. sin (2x)cos(3y) + cos(2x)sin(3y) 3. sin (3 + +) 7. 12sin (0)cos(0) 8. sin (60)cos(120) + cos(609)sin(1209) 4. sin (60 + 45)

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