Use the cofunction identities to find an angle ? that makes the statement true.sin (? + 4°) = cos (? + 6°)
A. ? = 
B. ? = 10°
C. ? = 40°
D. ? = 
Answer: C
Mathematics
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A. 2.84 B. 5.87 C. -5.87 D. -2.84
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Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.1989.26 - 803.8
round each to the nearest hundred
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