Solve.Find the reciprocal of - 
.
A. - 5
B. 
C. 1
D. 5
Answer: A
Mathematics
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A. -10 B. -6 C. 6 D. 10
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Verify that each equation is an identity.cos(4?) = cos4 ? - 6 sin2 ? cos2 ? + sin4 ?
What will be an ideal response?
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A. 49x2 + 36 B. 7x2 + 36 C. 49x2 - 84x + 36 D. 7x2 - 84x + 36
Mathematics