Complete the identity.
+
= ?
A. 1 + cot ?
B. sin ? tan ?
C. sec ? csc ?
D. -2 tan2 ?
Answer: C
Mathematics
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Multiply. Simplify, if possible.-0.6 ? (-18.3)
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x? = 0.8x ? 0.2xy , y? = ?0.5y + 0.1xy
What will be an ideal response?
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