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  • 24-03-2024
  • Mathematics
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If cos a = 0.981 and sin ẞ= 0.986 with both angles' terminal
rays in Quadrant-I, find the values of
(a)
cos(a + B) =
(b)
cos(a - b) =
*
Your answers should be accurate to 4 decimal places.

PLSS HELP SOON!!!!!

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