Convert the angle in degrees to radians. Express the answer as multiple of ?.-90°
A. - 
B. - 
C. - 
D. - 
Answer: D
Mathematics
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Use a double-angle identity to find the exact value of the expression.1 - 2 sin2 67.5°
A. - 
B. 
C. 
D. - 
Mathematics
Solve the problem.Three coins are tossed. Use the possibility tree to count how many ways the outcome consists of two heads and one tail.
A. 3 outcomes B. 2 outcomes C. 4 outcomes D. 6 outcomes
Mathematics
Determine whether the ordered triple is a solution to the given linear system.(2, 8, -3)
A. Yes B. No
Mathematics
Use a calculator to give the value to the nearest degree.? = sin-1(0.2079)
A. 14° B. 10° C. 15° D. 12°
Mathematics