Find the exact value of the expression.csc(-240°)
A. - 
B. 
C. -2
D. 
Answer: D
Mathematics
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Write as an equivalent decimal. If a repeating decimal is obtained, use notation such as 0.
, 0.
, or 0.
.
A. 0.4
B. 0.4375
C. 0.437
D. 0.43
Mathematics
Find all values of ? in [0°, 360°) that satisfy the equation.2 sin 2? - 
= 0
A. {30°, 150°, 210°, 330°} B. {30°, 60°, 210°, 240°} C. {60°, 120°, 240°, 300°} D. {60°, 150°, 240°, 300°}
Mathematics
Evaluate.73
A. 216 B. 2187 C. 343 D. 21
Mathematics
Factor the sum or difference of two cubes.8 - t3
A. (2 - t)(4 + 2t + t2) B. (2 + t)(4 - t2) C. (2 + t)(4 - 2t + t2) D. (2 - t)(4 + t2)
Mathematics