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  • 25-05-2023
  • Mathematics
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Use the given information to find the exact value of the expression. a lies in quadrant I, and cos ß - 7) sin a-- 17 A) 132 B) 468 493 493 Use trigonometric identities to find the exact value. 8) tan 25+ tan 5° 1-tan 25 tan 5* A) 2 B) 1/2 ß lies in quadrant I C) 155 493 C) √3 Find cos (a +ß). D) 475 493 D) √3 7) 8)

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