Use basic identities to simplify the expression.
A. sec2?
B. sin ?
C. tan2?
D. cos3?
Answer: B
Mathematics
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Solve the equation.2(s - 6) + 3(s - 2) = -2(s - 4) + 8(s + 2)
A. s = –52 B. s = –51 C. s = –42 D. s = –35 E. s = –33
Mathematics
Find the exact value of the product.sin 15° sin 45°
A. 
B. 
C. 
D. 
Mathematics
Express the number as an equivalent decimal. Use bar notation for repeating decimals.- 
A. -1.525 B. -1.5 C. -1.575 D. -1.55
Mathematics
Use the formula for Sn to find the sum of the first five terms of the geometric sequence.3, 
, 
, 
, . . .
A. 
B. 1023
C. 
D. 
Mathematics