Find the exact value of the sum.cos 105° - cos 15°
A. -
B.
C.
D. -
Answer: D
Mathematics
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Expand.5
A. +
+
+ 10x + 5x3 + x5
B. +
+
+ 10x1/2 + 5x3/2 + x5/2
C. -
+
- 10x1/2 + 5x3/2 - x5/2
D. +
+
+ 10x3/2 + 5x5/2 + x7/2
Mathematics
Alex, Beverly, and Cal live on the same straight road. Alex lives 9 miles from Beverly and Cal lives 4 miles from Beverly. How far does Alex live from Cal? ? If there is more than one answer, separate them with commas. ?
What will be an ideal response?
Mathematics
Find the exact value of the logarithmic expression.log7
A. -2 B. 7 C. 2 D. -7
Mathematics
Find the exact value of y, or state that y is undefined.y = sec-1 (1)
A. ?
B. 0
C.
D. -?
Mathematics